Automerge

arch/ppc/kernel/align.c

@@ -28,7 +28,7 @@ struct aligninfo {
 #define	OPCD(inst)	(((inst) & 0xFC000000) >> 26)
 #define	RS(inst)	(((inst) & 0x03E00000) >> 21)
 #define	RA(inst)	(((inst) & 0x001F0000) >> 16)
-#define	IS_DFORM(code)	((code) >= 32 && (code) <= 47)
+#define	IS_DFORM(code)	((code) >= 32 && (code) <= 55)
 #endif
 
 #define INVALID	{ 0, 0 }

arch/ppc/kernel/prom_init.c

@@ -50,7 +50,7 @@
 #define FB_MAX	8
 #endif
 
-#define ALIGN(x) (((x) + sizeof(unsigned long)-1) & -sizeof(unsigned long))
+#define ALIGNUL(x) (((x) + sizeof(unsigned long)-1) & -sizeof(unsigned long))
 
 struct prom_args {
 	const char *service;
@@ -376,7 +376,7 @@ check_display(unsigned long mem)
 		}
 	}
 
-	return ALIGN(mem);
+	return ALIGNUL(mem);
 }
 
 /* This function will enable the early boot text when doing OF booting. This
@@ -457,7 +457,7 @@ copy_device_tree(unsigned long mem_start, unsigned long mem_end)
 		prom_exit();
 	}
 	allnextp = &allnodes;
-	mem_start = ALIGN(mem_start);
+	mem_start = ALIGNUL(mem_start);
 	new_start = inspect_node(root, 0, mem_start, mem_end, &allnextp);
 	*allnextp = 0;
 	return new_start;
@@ -501,7 +501,7 @@ inspect_node(phandle node, struct device_node *dad,
 		if ((int) call_prom("nextprop", 3, 1, node, prev_name,
 				    namep) <= 0)
 			break;
-		mem_start = ALIGN((unsigned long)namep + strlen(namep) + 1);
+		mem_start = ALIGNUL((unsigned long)namep + strlen(namep) + 1);
 		prev_name = namep;
 		valp = (unsigned char *) mem_start;
 		pp->value = PTRUNRELOC(valp);
@@ -514,7 +514,7 @@ inspect_node(phandle node, struct device_node *dad,
 		if (pp->length > MAX_PROPERTY_LENGTH)
 			continue; /* ignore this property */
 #endif
-		mem_start = ALIGN(mem_start + pp->length);
+		mem_start = ALIGNUL(mem_start + pp->length);
 		*prev_propp = PTRUNRELOC(pp);
 		prev_propp = &pp->next;
 	}
@@ -526,7 +526,7 @@ inspect_node(phandle node, struct device_node *dad,
 		namep = (char *) (pp + 1);
 		pp->name = PTRUNRELOC(namep);
 		strcpy(namep, "linux,phandle");
-		mem_start = ALIGN((unsigned long)namep + strlen(namep) + 1);
+		mem_start = ALIGNUL((unsigned long)namep + strlen(namep) + 1);
 		pp->value = (unsigned char *) PTRUNRELOC(&np->node);
 		pp->length = sizeof(np->node);
 	}
@@ -538,7 +538,7 @@ inspect_node(phandle node, struct device_node *dad,
 	if (l >= 0) {
 		np->full_name = PTRUNRELOC((char *) mem_start);
 		*(char *)(mem_start + l) = 0;
-		mem_start = ALIGN(mem_start + l + 1);
+		mem_start = ALIGNUL(mem_start + l + 1);
 	}
 
 	/* do all our children */
@@ -741,7 +741,7 @@ prom_init(int r3, int r4, prom_entry pp)
 		*d = 0;
 		call_prom("canon", 3, 1, p, d, 1<<20);
 		bootdevice = PTRUNRELOC(d);
-		mem = ALIGN(mem + strlen(d) + 1);
+		mem = ALIGNUL(mem + strlen(d) + 1);
 	}
 
 	prom_instantiate_rtas();

arch/ppc/platforms/pmac_feature.c

@@ -400,13 +400,17 @@ heathrow_modem_enable(struct device_node* node, int param, int value)
 		LOCK(flags);
 		MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1);
 		(void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
-	    	UNLOCK(flags); mdelay(250); LOCK(flags);
+	    	UNLOCK(flags);
+		mdelay(250);
+		LOCK(flags);
 		MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio);
 		(void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
-	    	UNLOCK(flags); mdelay(250); LOCK(flags);
+	    	UNLOCK(flags);
+		mdelay(250);
+		LOCK(flags);
 		MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1);
 		(void)MACIO_IN8(HRW_GPIO_MODEM_RESET);
-	    	UNLOCK(flags); mdelay(250); LOCK(flags);
+	    	UNLOCK(flags);
 	}
 	return 0;
 }

drivers/pci/pci.c

@@ -1710,7 +1710,6 @@ struct pci_pool {	/* the pool */
 	spinlock_t		lock;
 	size_t			blocks_per_page;
 	size_t			size;
-	int			flags;
 	struct pci_dev		*dev;
 	size_t			allocation;
 	char			name [32];
@@ -1727,8 +1726,6 @@ struct pci_page {	/* cacheable header for 'allocation' bytes */
 #define	POOL_TIMEOUT_JIFFIES	((100 /* msec */ * HZ) / 1000)
 #define	POOL_POISON_BYTE	0xa7
 
-// #define CONFIG_PCIPOOL_DEBUG
-
 
 /**
  * pci_pool_create - Creates a pool of pci consistent memory blocks, for dma.
@@ -1737,7 +1734,7 @@ struct pci_page {	/* cacheable header for 'allocation' bytes */
  * @size: size of the blocks in this pool.
  * @align: alignment requirement for blocks; must be a power of two
  * @allocation: returned blocks won't cross this boundary (or zero)
- * @flags: SLAB_* flags (not all are supported).
+ * @mem_flags: SLAB_* flags.
  *
  * Returns a pci allocation pool with the requested characteristics, or
  * null if one can't be created.  Given one of these pools, pci_pool_alloc()
@@ -1753,7 +1750,7 @@ struct pci_page {	/* cacheable header for 'allocation' bytes */
  */
 struct pci_pool *
 pci_pool_create (const char *name, struct pci_dev *pdev,
-	size_t size, size_t align, size_t allocation, int flags)
+	size_t size, size_t align, size_t allocation, int mem_flags)
 {
 	struct pci_pool		*retval;
 
@@ -1777,13 +1774,9 @@ pci_pool_create (const char *name, struct pci_dev *pdev,
 	} else if (allocation < size)
 		return 0;
 
-	if (!(retval = kmalloc (sizeof *retval, flags)))
+	if (!(retval = kmalloc (sizeof *retval, mem_flags)))
 		return retval;
 
-#ifdef	CONFIG_PCIPOOL_DEBUG
-	flags |= SLAB_POISON;
-#endif
-
 	strncpy (retval->name, name, sizeof retval->name);
 	retval->name [sizeof retval->name - 1] = 0;
 
@@ -1791,17 +1784,10 @@ pci_pool_create (const char *name, struct pci_dev *pdev,
 	INIT_LIST_HEAD (&retval->page_list);
 	spin_lock_init (&retval->lock);
 	retval->size = size;
-	retval->flags = flags;
 	retval->allocation = allocation;
 	retval->blocks_per_page = allocation / size;
 	init_waitqueue_head (&retval->waitq);
 
-#ifdef CONFIG_PCIPOOL_DEBUG
-	printk (KERN_DEBUG "pcipool create %s/%s size %d, %d/page (%d alloc)\n",
-		pdev ? pdev->slot_name : NULL, retval->name, size,
-		retval->blocks_per_page, allocation);
-#endif
-
 	return retval;
 }
 
@@ -1824,8 +1810,9 @@ pool_alloc_page (struct pci_pool *pool, int mem_flags)
 					    &page->dma);
 	if (page->vaddr) {
 		memset (page->bitmap, 0xff, mapsize);	// bit set == free
-		if (pool->flags & SLAB_POISON)
+#ifdef	CONFIG_DEBUG_SLAB
 		memset (page->vaddr, POOL_POISON_BYTE, pool->allocation);
+#endif
 		list_add (&page->page_list, &pool->page_list);
 	} else {
 		kfree (page);
@@ -1851,8 +1838,9 @@ pool_free_page (struct pci_pool *pool, struct pci_page *page)
 {
 	dma_addr_t	dma = page->dma;
 
-	if (pool->flags & SLAB_POISON)
+#ifdef	CONFIG_DEBUG_SLAB
 	memset (page->vaddr, POOL_POISON_BYTE, pool->allocation);
+#endif
 	pci_free_consistent (pool->dev, pool->allocation, page->vaddr, dma);
 	list_del (&page->page_list);
 	kfree (page);
@@ -1871,12 +1859,6 @@ pci_pool_destroy (struct pci_pool *pool)
 {
 	unsigned long		flags;
 
-#ifdef CONFIG_PCIPOOL_DEBUG
-	printk (KERN_DEBUG "pcipool destroy %s/%s\n",
-		pool->dev ? pool->dev->slot_name : NULL,
-		pool->name);
-#endif
-
 	spin_lock_irqsave (&pool->lock, flags);
 	while (!list_empty (&pool->page_list)) {
 		struct pci_page		*page;
@@ -2010,30 +1992,27 @@ pci_pool_free (struct pci_pool *pool, void *vaddr, dma_addr_t dma)
 			pool->name, vaddr, (unsigned long) dma);
 		return;
 	}
-#ifdef	CONFIG_PCIPOOL_DEBUG
-	if (((dma - page->dma) + (void *)page->vaddr) != vaddr) {
-		printk (KERN_ERR "pci_pool_free %s/%s, %p (bad vaddr)/%lx\n",
-			pool->dev ? pool->dev->slot_name : NULL,
-			pool->name, vaddr, (unsigned long) dma);
-		return;
-	}
-#endif
 
 	block = dma - page->dma;
 	block /= pool->size;
 	map = block / BITS_PER_LONG;
 	block %= BITS_PER_LONG;
 
-#ifdef	CONFIG_PCIPOOL_DEBUG
+#ifdef	CONFIG_DEBUG_SLAB
+	if (((dma - page->dma) + (void *)page->vaddr) != vaddr) {
+		printk (KERN_ERR "pci_pool_free %s/%s, %p (bad vaddr)/%lx\n",
+			pool->dev ? pool->dev->slot_name : NULL,
+			pool->name, vaddr, (unsigned long) dma);
+		return;
+	}
 	if (page->bitmap [map] & (1UL << block)) {
 		printk (KERN_ERR "pci_pool_free %s/%s, dma %x already free\n",
 			pool->dev ? pool->dev->slot_name : NULL,
 			pool->name, dma);
 		return;
 	}
-#endif
-	if (pool->flags & SLAB_POISON)
 	memset (vaddr, POOL_POISON_BYTE, pool->size);
+#endif
 
 	spin_lock_irqsave (&pool->lock, flags);
 	set_bit (block, &page->bitmap [map]);

drivers/usb/Config.help

@@ -382,6 +382,7 @@ CONFIG_USB_KAWETH
 CONFIG_USB_CATC
   Say Y if you want to use one of the following 10Mbps USB Ethernet
   device based on the EL1210A chip. Supported devices are:
+    Belkin F5U011
     Belkin F5U111
     CATC NetMate
     CATC NetMate II

drivers/usb/catc.c

@@ -7,6 +7,9 @@
  *
  *  Based on the work of
  *		Donald Becker
+ * 
+ *  Old chipset support added by Simon Evans <spse@secret.org.uk> 2002
+ *    - adds support for Belkin F5U011
  */
 
 /*
@@ -70,6 +73,7 @@ MODULE_LICENSE("GPL");
 #define RX_MAX_BURST		15	/* Max packets per rx buffer (> 0, < 16) */
 #define TX_MAX_BURST		15	/* Max full sized packets per tx buffer (> 0) */
 #define CTRL_QUEUE		16	/* Max control requests in flight (power of two) */
+#define RX_PKT_SZ		1600	/* Max size of receive packet for F5U011 */
 
 /*
  * Control requests.
@@ -80,6 +84,7 @@ enum control_requests {
 	GetMac =	0xf2,
 	Reset =		0xf4,
 	SetMac =	0xf5,
+	SetRxMode =     0xf5,  /* F5U011 only */
 	WriteROM =	0xf8,
 	SetReg =	0xfa,
 	GetReg =	0xfb,
@@ -127,6 +132,7 @@ enum rx_filter_bits {
 	RxForceOK =	0x04,
 	RxMultiCast =	0x08,
 	RxPromisc =	0x10,
+	AltRxPromisc =  0x20, /* F5U011 uses different bit */
 };
 
 enum led_values {
@@ -137,6 +143,12 @@ enum led_values {
 	LEDLink =	0x08,
 };
 
+enum link_status {
+	LinkNoChange = 0,
+	LinkGood     = 1,
+	LinkBad      = 2
+};
+
 /*
  * The catc struct.
  */
@@ -180,6 +192,10 @@ struct catc {
 	} ctrl_queue[CTRL_QUEUE];
 
 	struct urb *tx_urb, *rx_urb, *irq_urb, *ctrl_urb;
+
+	u8 is_f5u011;	/* Set if device is an F5U011 */
+	u8 rxmode[2];	/* Used for F5U011 */
+	atomic_t recq_sz; /* Used for F5U011 - counter of waiting rx packets */
 };
 
 /*
@@ -193,6 +209,10 @@ struct catc {
 #define catc_write_mem(catc, addr, buf, size)		catc_ctrl_msg(catc, USB_DIR_OUT, WriteMem, 0, addr, buf, size)
 #define catc_read_mem(catc, addr, buf, size)		catc_ctrl_msg(catc, USB_DIR_IN,  ReadMem, 0, addr, buf, size)
 
+#define f5u011_rxmode(catc, rxmode)			catc_ctrl_msg(catc, USB_DIR_OUT, SetRxMode, 0, 1, rxmode, 2)
+#define f5u011_rxmode_async(catc, rxmode)		catc_ctrl_async(catc, USB_DIR_OUT, SetRxMode, 0, 1, &rxmode, 2, NULL)
+#define f5u011_mchash_async(catc, hash)			catc_ctrl_async(catc, USB_DIR_OUT, SetRxMode, 0, 2, &hash, 8, NULL)
+
 #define catc_set_reg_async(catc, reg, val)		catc_ctrl_async(catc, USB_DIR_OUT, SetReg, val, reg, NULL, 0, NULL)
 #define catc_get_reg_async(catc, reg, cb)		catc_ctrl_async(catc, USB_DIR_IN, GetReg, 0, reg, NULL, 1, cb)
 #define catc_write_mem_async(catc, addr, buf, size)	catc_ctrl_async(catc, USB_DIR_OUT, WriteMem, 0, addr, buf, size, NULL)
@@ -206,9 +226,12 @@ static void catc_rx_done(struct urb *urb)
 	struct catc *catc = urb->context;
 	u8 *pkt_start = urb->transfer_buffer;
 	struct sk_buff *skb;
-	int pkt_len;
+	int pkt_len, pkt_offset = 0;
 
+	if (!catc->is_f5u011) {
 		clear_bit(RX_RUNNING, &catc->flags);
+		pkt_offset = 2;
+	}
 
 	if (urb->status) {
 		dbg("rx_done, status %d, length %d", urb->status, urb->actual_length);
@@ -216,19 +239,22 @@ static void catc_rx_done(struct urb *urb)
 	}
 
 	do {
+		if(!catc->is_f5u011) {
 			pkt_len = le16_to_cpup((u16*)pkt_start);
-
 			if (pkt_len > urb->actual_length) {
 				catc->stats.rx_length_errors++;
 				catc->stats.rx_errors++;
 				break;
 			}
+		} else {
+			pkt_len = urb->actual_length;
+		}
 
 		if (!(skb = dev_alloc_skb(pkt_len)))
 			return;
 
 		skb->dev = catc->netdev;
-		eth_copy_and_sum(skb, pkt_start + 2, pkt_len, 0);
+		eth_copy_and_sum(skb, pkt_start + pkt_offset, pkt_len, 0);
 		skb_put(skb, pkt_len);
 
 		skb->protocol = eth_type_trans(skb, catc->netdev);
@@ -237,11 +263,28 @@ static void catc_rx_done(struct urb *urb)
 		catc->stats.rx_packets++;
 		catc->stats.rx_bytes += pkt_len;
 
+		/* F5U011 only does one packet per RX */
+		if (catc->is_f5u011)
+			break;
 		pkt_start += (((pkt_len + 1) >> 6) + 1) << 6;
 
 	} while (pkt_start - (u8 *) urb->transfer_buffer < urb->actual_length);
 
 	catc->netdev->last_rx = jiffies;
+
+	if (catc->is_f5u011) {
+		if (atomic_read(&catc->recq_sz)) {
+			int status;
+			atomic_dec(&catc->recq_sz);
+			dbg("getting extra packet");
+			urb->dev = catc->usbdev;
+			if ((status = usb_submit_urb(urb, GFP_KERNEL)) < 0) {
+				dbg("submit(rx_urb) status %d", status);
+			}
+		} else {
+			clear_bit(RX_RUNNING, &catc->flags);
+		}
+	}
 }
 
 static void catc_irq_done(struct urb *urb)
@@ -249,29 +292,48 @@ static void catc_irq_done(struct urb *urb)
 	struct catc *catc = urb->context;
 	u8 *data = urb->transfer_buffer;
 	int status;
+	unsigned int hasdata = 0, linksts = LinkNoChange;
+
+	if (!catc->is_f5u011) {
+		hasdata = data[1] & 0x80;
+		if (data[1] & 0x40)
+			linksts = LinkGood;
+		else if (data[1] & 0x20)
+			linksts = LinkBad;
+	} else {
+		hasdata = (unsigned int)(be16_to_cpup((u16*)data) & 0x0fff);
+		if (data[0] == 0x90)
+			linksts = LinkGood;
+		else if (data[0] == 0xA0)
+			linksts = LinkBad;
+	}
 
 	if (urb->status) {
 		dbg("irq_done, status %d, data %02x %02x.", urb->status, data[0], data[1]);
 		return;
 	}
 
-	if ((data[1] & 0x80) && !test_and_set_bit(RX_RUNNING, &catc->flags)) {
-		catc->rx_urb->dev = catc->usbdev;
-		if ((status = usb_submit_urb(catc->rx_urb, GFP_KERNEL)) < 0) {
-			err("submit(rx_urb) status %d", status);
-			return;
-		} 
-	}
-
-	if (data[1] & 0x40) {
+	if (linksts == LinkGood) {
 		netif_carrier_on(catc->netdev);
 		dbg("link ok");
 	}
 
-	if (data[1] & 0x20) {
+	if (linksts == LinkBad) {
 		netif_carrier_off(catc->netdev);
 		dbg("link bad");
 	}
+
+	if (hasdata) {
+		if (test_and_set_bit(RX_RUNNING, &catc->flags)) {
+			if (catc->is_f5u011)
+				atomic_inc(&catc->recq_sz);
+		} else {
+			catc->rx_urb->dev = catc->usbdev;
+			if ((status = usb_submit_urb(catc->rx_urb, GFP_KERNEL)) < 0) {
+				err("submit(rx_urb) status %d", status);
+			}
+		} 
+	}
 }
 
 /*
@@ -282,6 +344,9 @@ static void catc_tx_run(struct catc *catc)
 {
 	int status;
 
+	if (catc->is_f5u011)
+		catc->tx_ptr = (catc->tx_ptr + 63) & ~63;
+
 	catc->tx_urb->transfer_buffer_length = catc->tx_ptr;
 	catc->tx_urb->transfer_buffer = catc->tx_buf[catc->tx_idx];
 	catc->tx_urb->dev = catc->usbdev;
@@ -338,14 +403,15 @@ static int catc_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 
 	catc->tx_ptr = (((catc->tx_ptr - 1) >> 6) + 1) << 6;
 	tx_buf = catc->tx_buf[catc->tx_idx] + catc->tx_ptr;
-	*((u16*)tx_buf) = cpu_to_le16((u16)skb->len);
+	*((u16*)tx_buf) = (catc->is_f5u011) ? cpu_to_be16((u16)skb->len) : cpu_to_le16((u16)skb->len);
 	memcpy(tx_buf + 2, skb->data, skb->len);
 	catc->tx_ptr += skb->len + 2;
 
 	if (!test_and_set_bit(TX_RUNNING, &catc->flags))
 		catc_tx_run(catc);
 
-	if (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2)))
+	if ((catc->is_f5u011 && catc->tx_ptr)
+	     || (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2))))
 		netif_stop_queue(netdev);
 
 	spin_unlock_irqrestore(&catc->tx_lock, flags);
@@ -554,17 +620,32 @@ static void catc_set_multicast_list(struct net_device *netdev)
 
 	if (netdev->flags & IFF_PROMISC) {
 		memset(catc->multicast, 0xff, 64);
-		rx |= RxPromisc;
+		rx |= (!catc->is_f5u011) ? RxPromisc : AltRxPromisc;
 	} 
 
-	if (netdev->flags & IFF_ALLMULTI)
+	if (netdev->flags & IFF_ALLMULTI) {
 		memset(catc->multicast, 0xff, 64);
-
-	for (i = 0, mc = netdev->mc_list; mc && i < netdev->mc_count; i++, mc = mc->next)
-		catc_multicast(mc->dmi_addr, catc->multicast);
-
+	} else {
+		for (i = 0, mc = netdev->mc_list; mc && i < netdev->mc_count; i++, mc = mc->next) {
+			u32 crc = ether_crc_le(6, mc->dmi_addr);
+			if (!catc->is_f5u011) {
+				catc->multicast[(crc >> 3) & 0x3f] |= 1 << (crc & 7);
+			} else {
+				catc->multicast[7-(crc >> 29)] |= 1 << ((crc >> 26) & 7);
+			}
+		}
+	}
+	if (!catc->is_f5u011) {
 		catc_set_reg_async(catc, RxUnit, rx);
 		catc_write_mem_async(catc, 0xfa80, catc->multicast, 64);
+	} else {
+		f5u011_mchash_async(catc, catc->multicast);
+		if (catc->rxmode[0] != rx) {
+			catc->rxmode[0] = rx;
+			dbg("Setting RX mode to %2.2X %2.2X", catc->rxmode[0], catc->rxmode[1]);
+			f5u011_rxmode_async(catc, catc->rxmode);
+		}
+	}
 }
 
 /*
@@ -591,6 +672,29 @@ static int netdev_ethtool_ioctl(struct net_device *dev, void *useraddr)
                         return -EFAULT;
                 return 0;
         }
+
+	/* get settings */
+	case ETHTOOL_GSET:
+		if (catc->is_f5u011) {
+			struct ethtool_cmd ecmd = { ETHTOOL_GSET, 
+						    SUPPORTED_10baseT_Half | SUPPORTED_TP, 
+						    ADVERTISED_10baseT_Half | ADVERTISED_TP, 
+						    SPEED_10, 
+						    DUPLEX_HALF, 
+						    PORT_TP, 
+						    0, 
+						    XCVR_INTERNAL, 
+						    AUTONEG_DISABLE, 
+						    1, 
+						    1 
+			};
+			if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
+				return -EFAULT;
+			return 0;
+		} else {
+			return -EOPNOTSUPP;
+		}
+
         /* get link status */
         case ETHTOOL_GLINK: {
                 struct ethtool_value edata = {ETHTOOL_GLINK};
@@ -632,6 +736,7 @@ static int catc_open(struct net_device *netdev)
 
 	netif_start_queue(netdev);
 
+	if (!catc->is_f5u011)
 		mod_timer(&catc->timer, jiffies + STATS_UPDATE);
 
 	return 0;
@@ -643,6 +748,7 @@ static int catc_stop(struct net_device *netdev)
 
 	netif_stop_queue(netdev);
 
+	if (!catc->is_f5u011)
 		del_timer_sync(&catc->timer);
 
 	usb_unlink_urb(catc->rx_urb);
@@ -662,7 +768,7 @@ static void *catc_probe(struct usb_device *usbdev, unsigned int ifnum, const str
 	struct net_device *netdev;
 	struct catc *catc;
 	u8 broadcast[6];
-	int i;
+	int i, pktsz;
 
 	if (usb_set_interface(usbdev, ifnum, 1)) {
                 err("Can't set altsetting 1.");
@@ -670,9 +776,16 @@ static void *catc_probe(struct usb_device *usbdev, unsigned int ifnum, const str
 	}
 
 	catc = kmalloc(sizeof(struct catc), GFP_KERNEL);
+	if (!catc)
+		return NULL;
+
 	memset(catc, 0, sizeof(struct catc));
 
 	netdev = init_etherdev(0, 0);
+	if (!netdev) {
+		kfree(catc);
+		return NULL;
+	}
 
 	netdev->open = catc_open;
 	netdev->hard_start_xmit = catc_hard_start_xmit;
@@ -701,9 +814,26 @@ static void *catc_probe(struct usb_device *usbdev, unsigned int ifnum, const str
 	if ((!catc->ctrl_urb) || (!catc->tx_urb) || 
 	    (!catc->rx_urb) || (!catc->irq_urb)) {
 		err("No free urbs available.");
+		if (catc->ctrl_urb) usb_free_urb(catc->ctrl_urb);
+		if (catc->tx_urb)   usb_free_urb(catc->tx_urb);
+		if (catc->rx_urb)   usb_free_urb(catc->rx_urb);
+		if (catc->irq_urb)  usb_free_urb(catc->irq_urb);
+		kfree(netdev);
+		kfree(catc);
 		return NULL;
 	}
 
+	/* The F5U011 has the same vendor/product as the netmate but a device version of 0x130 */
+	if (usbdev->descriptor.idVendor == 0x0423 && usbdev->descriptor.idProduct == 0xa &&
+	   catc->usbdev->descriptor.bcdDevice == 0x0130	) {
+		dbg("Testing for f5u011");
+		catc->is_f5u011 = 1;		
+		atomic_set(&catc->recq_sz, 0);
+		pktsz = RX_PKT_SZ;
+	} else {
+		pktsz = RX_MAX_BURST * (PKT_SZ + 2);
+	}
+	
 	FILL_CONTROL_URB(catc->ctrl_urb, usbdev, usb_sndctrlpipe(usbdev, 0),
 		NULL, NULL, 0, catc_ctrl_done, catc);
 
@@ -711,11 +841,12 @@ static void *catc_probe(struct usb_device *usbdev, unsigned int ifnum, const str
 		NULL, 0, catc_tx_done, catc);
 
 	FILL_BULK_URB(catc->rx_urb, usbdev, usb_rcvbulkpipe(usbdev, 1),
-		catc->rx_buf, RX_MAX_BURST * (PKT_SZ + 2), catc_rx_done, catc);
+		catc->rx_buf, pktsz, catc_rx_done, catc);
 
 	FILL_INT_URB(catc->irq_urb, usbdev, usb_rcvintpipe(usbdev, 2),
                 catc->irq_buf, 2, catc_irq_done, catc, 1);
 
+	if (!catc->is_f5u011) {
 		dbg("Checking memory size\n");
 
 		i = 0x12345678;
@@ -750,7 +881,7 @@ static void *catc_probe(struct usb_device *usbdev, unsigned int ifnum, const str
 		
 		dbg("Filling the multicast list.");
 	  
-	memset(broadcast, 0xff, 8);
+		memset(broadcast, 0xff, 6);
 		catc_multicast(broadcast, catc->multicast);
 		catc_multicast(netdev->dev_addr, catc->multicast);
 		catc_write_mem(catc, 0xfa80, catc->multicast, 64);
@@ -767,14 +898,22 @@ static void *catc_probe(struct usb_device *usbdev, unsigned int ifnum, const str
 		catc_set_reg(catc, OpModes, OpTxMerge | OpRxMerge | OpLenInclude | Op3MemWaits);
 		catc_set_reg(catc, LEDCtrl, LEDLink);
 		catc_set_reg(catc, RxUnit, RxEnable | RxPolarity | RxMultiCast);
+	} else {
+		dbg("Performing reset\n");
+		catc_reset(catc);
+		catc_get_mac(catc, netdev->dev_addr);
 		
+		dbg("Setting RX Mode");
+		catc->rxmode[0] = RxEnable | RxPolarity | RxMultiCast;
+		catc->rxmode[1] = 0;
+		f5u011_rxmode(catc, catc->rxmode);
+	}
 	dbg("Init done.");
-
-	printk(KERN_INFO "%s: CATC EL1210A NetMate USB Ethernet at usb%d:%d.%d, ",
-		netdev->name, usbdev->bus->busnum, usbdev->devnum, ifnum);
+	printk(KERN_INFO "%s: %s USB Ethernet at usb%d:%d.%d, ",
+	       netdev->name, (catc->is_f5u011) ? "Belkin F5U011" : "CATC EL1210A NetMate",
+	       usbdev->bus->busnum, usbdev->devnum, ifnum);
 	for (i = 0; i < 5; i++) printk("%2.2x:", netdev->dev_addr[i]);
 	printk("%2.2x.\n", netdev->dev_addr[i]);
-
 	return catc;
 }
 
@@ -795,7 +934,7 @@ static void catc_disconnect(struct usb_device *usbdev, void *dev_ptr)
  */
 
 static struct usb_device_id catc_id_table [] = {
-	{ USB_DEVICE(0x0423, 0xa) },	/* CATC Netmate */
+	{ USB_DEVICE(0x0423, 0xa) },	/* CATC Netmate, Belkin F5U011 */
 	{ USB_DEVICE(0x0423, 0xc) },	/* CATC Netmate II, Belkin F5U111 */
 	{ USB_DEVICE(0x08d1, 0x1) },	/* smartBridges smartNIC */
 	{ }

drivers/usb/hid-core.c

@@ -110,10 +110,11 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned
 	memset(field, 0, sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
 		+ values * sizeof(unsigned));
 
-	report->field[report->maxfield++] = field;
+	report->field[report->maxfield] = field;
 	field->usage = (struct hid_usage *)(field + 1);
 	field->value = (unsigned *)(field->usage + usages);
 	field->report = report;
+	field->index = report->maxfield++;
 
 	return field;
 }
@@ -741,8 +742,20 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field, s
 	if (hid->claimed & HID_CLAIMED_INPUT)
 		hidinput_hid_event(hid, field, usage, value);
 #ifdef CONFIG_USB_HIDDEV
-	if (hid->claimed & HID_CLAIMED_HIDDEV)
-		hiddev_hid_event(hid, usage->hid, value);
+	if (hid->claimed & HID_CLAIMED_HIDDEV) {
+		struct hiddev_usage_ref uref;
+		unsigned type = field->report_type;
+		uref.report_type = 
+		  (type == HID_INPUT_REPORT) ? HID_REPORT_TYPE_INPUT :
+		  ((type == HID_OUTPUT_REPORT) ? HID_REPORT_TYPE_OUTPUT : 
+		   ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE:0));
+		uref.report_id = field->report->id;
+		uref.field_index = field->index;
+		uref.usage_index = (usage - field->usage);
+		uref.usage_code = usage->hid;
+		uref.value = value;
+		hiddev_hid_event(hid, &uref);
+	}
 #endif
 }
 
@@ -839,6 +852,21 @@ static int hid_input_report(int type, struct urb *urb)
 		return -1;
 	}
 
+#ifdef CONFIG_USB_HIDDEV
+	/* Notify listeners that a report has been received */
+	if (hid->claimed & HID_CLAIMED_HIDDEV) {
+		struct hiddev_usage_ref uref;
+		memset(&uref, 0, sizeof(uref));
+		uref.report_type = 
+		  (type == HID_INPUT_REPORT) ? HID_REPORT_TYPE_INPUT :
+		  ((type == HID_OUTPUT_REPORT) ? HID_REPORT_TYPE_OUTPUT : 
+		   ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE:0));
+		uref.report_id = report->id;
+		uref.field_index = HID_FIELD_INDEX_NONE;
+		hiddev_hid_event(hid, &uref);
+	}
+#endif
+
 	size = ((report->size - 1) >> 3) + 1;
 
 	if (len < size) {
@@ -1096,6 +1124,9 @@ void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsign
 	int head;
 	unsigned long flags;
 
+	if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
+		return;
+
 	if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
 
 		spin_lock_irqsave(&hid->outlock, flags);
@@ -1238,18 +1269,27 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_DEVICE_ID_POWERMATE		0x0410
 #define USB_DEVICE_ID_SOUNDKNOB		0x04AA
 
+#define USB_VENDOR_ID_ATEN             0x0557  
+#define USB_DEVICE_ID_ATEN_UC100KM     0x2004
+#define USB_DEVICE_ID_ATEN_CS124U      0x2202
+#define USB_DEVICE_ID_ATEN_2PORTKVM    0x2204
+
 struct hid_blacklist {
 	__u16 idVendor;
 	__u16 idProduct;
+	unsigned quirks;
 } hid_blacklist[] = {
-	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE },
-	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS },
-	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 1},
-	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 2},
-	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 3},
-	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 4},
-	{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE },
-	{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB },
+	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 1, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 2, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 3, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 4, HID_QUIRK_IGNORE },
+	{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE  },
+	{ USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE  },
+	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
 	{ 0, 0 }
 };
 
@@ -1258,13 +1298,17 @@ static struct hid_device *usb_hid_configure(struct usb_device *dev, int ifnum)
 	struct usb_interface_descriptor *interface = dev->actconfig->interface[ifnum].altsetting + 0;
 	struct hid_descriptor *hdesc;
 	struct hid_device *hid;
-	unsigned rsize = 0;
+	unsigned quirks = 0, rsize = 0;
 	char *buf;
 	int n;
 
 	for (n = 0; hid_blacklist[n].idVendor; n++)
 		if ((hid_blacklist[n].idVendor == dev->descriptor.idVendor) &&
-			(hid_blacklist[n].idProduct == dev->descriptor.idProduct)) return NULL;
+			(hid_blacklist[n].idProduct == dev->descriptor.idProduct))
+				quirks = hid_blacklist[n].quirks;
+
+	if (quirks & HID_QUIRK_IGNORE)
+		return NULL;
 
 	if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && ((!interface->bNumEndpoints) ||
 		usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
@@ -1302,6 +1346,8 @@ static struct hid_device *usb_hid_configure(struct usb_device *dev, int ifnum)
 		}
 	}
 
+	hid->quirks = quirks;
+
 	for (n = 0; n < interface->bNumEndpoints; n++) {
 
 		struct usb_endpoint_descriptor *endpoint = &interface->endpoint[n];

drivers/usb/hid.h

@@ -203,6 +203,8 @@ struct hid_item {
 
 #define HID_QUIRK_INVERT	0x01
 #define HID_QUIRK_NOTOUCH	0x02
+#define HID_QUIRK_IGNORE	0x04
+#define HID_QUIRK_NOGET		0x08
 
 /*
  * This is the global enviroment of the parser. This information is
@@ -276,6 +278,7 @@ struct hid_field {
 	__s32     unit_exponent;
 	unsigned  unit;
 	struct hid_report *report;	/* associated report */
+	unsigned index;			/* index into report->field[] */
 };
 
 #define HID_MAX_FIELDS 64

drivers/usb/hiddev.c

@@ -50,9 +50,10 @@ struct hiddev {
 };
 
 struct hiddev_list {
-	struct hiddev_event buffer[HIDDEV_BUFFER_SIZE];
+	struct hiddev_usage_ref buffer[HIDDEV_BUFFER_SIZE];
 	int head;
 	int tail;
+	unsigned flags;
 	struct fasync_struct *fasync;
 	struct hiddev *hiddev;
 	struct hiddev_list *next;
@@ -146,17 +147,19 @@ hiddev_lookup_usage(struct hid_device *hid, struct hiddev_usage_ref *uref)
  * This is where hid.c calls into hiddev to pass an event that occurred over
  * the interrupt pipe
  */
-void hiddev_hid_event(struct hid_device *hid, unsigned int usage, int value)
+void hiddev_hid_event(struct hid_device *hid, struct hiddev_usage_ref *uref)
 {
 	struct hiddev *hiddev = hid->hiddev;
 	struct hiddev_list *list = hiddev->list;
 
 	while (list) {
-		list->buffer[list->head].hid = usage;
-		list->buffer[list->head].value = value;
-		list->head = (list->head + 1) & (HIDDEV_BUFFER_SIZE - 1);
-
+		if (uref->field_index != HID_FIELD_INDEX_NONE ||
+		    (list->flags & HIDDEV_FLAG_REPORT) != 0) {
+			list->buffer[list->head] = *uref;
+			list->head = (list->head + 1) & 
+				(HIDDEV_BUFFER_SIZE - 1);
 			kill_fasync(&list->fasync, SIGIO, POLL_IN);
+		}
 
 		list = list->next;
 	}
@@ -257,15 +260,20 @@ static ssize_t hiddev_read(struct file * file, char * buffer, size_t count,
 {
 	DECLARE_WAITQUEUE(wait, current);
 	struct hiddev_list *list = file->private_data;
+	int event_size;
 	int retval = 0;
 
-	if (list->head == list->tail) {
+	event_size = ((list->flags & HIDDEV_FLAG_UREF) != 0) ?
+		sizeof(struct hiddev_usage_ref) : sizeof(struct hiddev_event);
+
+	if (count < event_size) return 0;
 
+	while (retval == 0) {
+		if (list->head == list->tail) {
 			add_wait_queue(&list->hiddev->wait, &wait);
 			set_current_state(TASK_INTERRUPTIBLE);
 			
 			while (list->head == list->tail) {
-
 				if (file->f_flags & O_NONBLOCK) {
 					retval = -EAGAIN;
 					break;
@@ -289,12 +297,31 @@ static ssize_t hiddev_read(struct file * file, char * buffer, size_t count,
 		if (retval)
 			return retval;
 
-	while (list->head != list->tail && retval + sizeof(struct hiddev_event) <= count) {
-		if (copy_to_user(buffer + retval, list->buffer + list->tail,
-				 sizeof(struct hiddev_event))) return -EFAULT;
-		list->tail = (list->tail + 1) & (HIDDEV_BUFFER_SIZE - 1);
+
+		while (list->head != list->tail && 
+		       retval + event_size <= count) {
+			if ((list->flags & HIDDEV_FLAG_UREF) == 0) {
+				if (list->buffer[list->tail].field_index !=
+				    HID_FIELD_INDEX_NONE) {
+					struct hiddev_event event;
+					event.hid = list->buffer[list->tail].usage_code;
+					event.value = list->buffer[list->tail].value;
+					if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event)))
+						return -EFAULT;
 					retval += sizeof(struct hiddev_event);
 				}
+			} else {
+				if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE ||
+				    (list->flags & HIDDEV_FLAG_REPORT) != 0) {
+					if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref)))
+						return -EFAULT;
+					retval += sizeof(struct hiddev_usage_ref);
+				}
+			}
+			list->tail = (list->tail + 1) & (HIDDEV_BUFFER_SIZE - 1);
+		}
+
+	}
 
 	return retval;
 }
@@ -358,6 +385,25 @@ static int hiddev_ioctl(struct inode *inode, struct file *file,
 		return copy_to_user((void *) arg, &dinfo, sizeof(dinfo));
 	}
 
+	case HIDIOCGFLAG:
+		return put_user(list->flags, (int *) arg);
+
+	case HIDIOCSFLAG:
+		{
+			int newflags;
+			if (get_user(newflags, (int *) arg))
+				return -EFAULT;
+
+			if ((newflags & ~HIDDEV_FLAGS) != 0 ||
+			    ((newflags & HIDDEV_FLAG_REPORT) != 0 &&
+			     (newflags & HIDDEV_FLAG_UREF) == 0))
+				return -EINVAL;
+
+			list->flags = newflags;
+
+			return 0;
+		}
+
 	case HIDIOCGSTRING:
 		{
 			int idx, len;

drivers/usb/printer.c

 /*
- * printer.c  Version 0.8
+ * printer.c  Version 0.12
  *
  * Copyright (c) 1999 Michael Gee	<michael@linuxspecific.com>
  * Copyright (c) 1999 Pavel Machek	<pavel@suse.cz>
  * Copyright (c) 2000 Randy Dunlap	<randy.dunlap@intel.com>
  * Copyright (c) 2000 Vojtech Pavlik	<vojtech@suse.cz>
+ # Copyright (c) 2001 Pete Zaitcev	<zaitcev@redhat.com>
+ # Copyright (c) 2001 David Paschal	<paschal@rcsis.com>
  *
  * USB Printer Device Class driver for USB printers and printer cables
  *
@@ -17,10 +19,12 @@
  *	v0.4 - fixes in unidirectional mode
  *	v0.5 - add DEVICE_ID string support
  *	v0.6 - never time out
- *	v0.7 - fixed bulk-IN read and poll (David Paschal, paschal@rcsis.com)
+ *	v0.7 - fixed bulk-IN read and poll (David Paschal)
  *	v0.8 - add devfs support
  *	v0.9 - fix unplug-while-open paths
  *	v0.10- remove sleep_on, fix error on oom (oliver@neukum.org)
+ *	v0.11 - add proto_bias option (Pete Zaitcev)
+ *	v0.12 - add hpoj.sourceforge.net ioctls (David Paschal)
  */
 
 /*
@@ -55,16 +59,36 @@
 /*
  * Version Information
  */
-#define DRIVER_VERSION "v0.10"
-#define DRIVER_AUTHOR "Michael Gee, Pavel Machek, Vojtech Pavlik, Randy Dunlap"
+#define DRIVER_VERSION "v0.12"
+#define DRIVER_AUTHOR "Michael Gee, Pavel Machek, Vojtech Pavlik, Randy Dunlap, Pete Zaitcev, David Paschal"
 #define DRIVER_DESC "USB Printer Device Class driver"
 
 #define USBLP_BUF_SIZE		8192
 #define DEVICE_ID_SIZE		1024
 
-#define IOCNR_GET_DEVICE_ID	1
-#define LPIOC_GET_DEVICE_ID(len) _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len)	/* get device_id string */
+/* ioctls: */
 #define LPGETSTATUS		0x060b		/* same as in drivers/char/lp.c */
+#define IOCNR_GET_DEVICE_ID		1
+#define IOCNR_GET_PROTOCOLS		2
+#define IOCNR_SET_PROTOCOL		3
+#define IOCNR_HP_SET_CHANNEL		4
+#define IOCNR_GET_BUS_ADDRESS		5
+#define IOCNR_GET_VID_PID		6
+/* Get device_id string: */
+#define LPIOC_GET_DEVICE_ID(len) _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len)
+/* The following ioctls were added for http://hpoj.sourceforge.net: */
+/* Get two-int array:
+ * [0]=current protocol (1=7/1/1, 2=7/1/2, 3=7/1/3),
+ * [1]=supported protocol mask (mask&(1<<n)!=0 means 7/1/n supported): */
+#define LPIOC_GET_PROTOCOLS(len) _IOC(_IOC_READ, 'P', IOCNR_GET_PROTOCOLS, len)
+/* Set protocol (arg: 1=7/1/1, 2=7/1/2, 3=7/1/3): */
+#define LPIOC_SET_PROTOCOL _IOC(_IOC_WRITE, 'P', IOCNR_SET_PROTOCOL, 0)
+/* Set channel number (HP Vendor-specific command): */
+#define LPIOC_HP_SET_CHANNEL _IOC(_IOC_WRITE, 'P', IOCNR_HP_SET_CHANNEL, 0)
+/* Get two-int array: [0]=bus number, [1]=device address: */
+#define LPIOC_GET_BUS_ADDRESS(len) _IOC(_IOC_READ, 'P', IOCNR_GET_BUS_ADDRESS, len)
+/* Get two-int array: [0]=vendor ID, [1]=product ID: */
+#define LPIOC_GET_VID_PID(len) _IOC(_IOC_READ, 'P', IOCNR_GET_VID_PID, len)
 
 /*
  * A DEVICE_ID string may include the printer's serial number.
@@ -81,20 +105,34 @@ MFG:HEWLETT-PACKARD;MDL:DESKJET 970C;CMD:MLC,PCL,PML;CLASS:PRINTER;DESCRIPTION:H
 #define USBLP_REQ_GET_ID			0x00
 #define USBLP_REQ_GET_STATUS			0x01
 #define USBLP_REQ_RESET				0x02
+#define USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST	0x00	/* HP Vendor-specific */
 
 #define USBLP_MINORS		16
 #define USBLP_MINOR_BASE	0
 
 #define USBLP_WRITE_TIMEOUT	(5*HZ)			/* 5 seconds */
 
+#define USBLP_FIRST_PROTOCOL	1
+#define USBLP_LAST_PROTOCOL	3
+#define USBLP_MAX_PROTOCOLS	(USBLP_LAST_PROTOCOL+1)
+
 struct usblp {
 	struct usb_device 	*dev;			/* USB device */
 	devfs_handle_t		devfs;			/* devfs device */
 	struct semaphore	sem;			/* locks this struct, especially "dev" */
+	char			*buf;		/* writeurb->transfer_buffer */
 	struct urb		*readurb, *writeurb;	/* The urbs */
 	wait_queue_head_t	wait;			/* Zzzzz ... */
 	int			readcount;		/* Counter for reads */
 	int			ifnum;			/* Interface number */
+	/* Alternate-setting numbers and endpoints for each protocol
+	 * (7/1/{index=1,2,3}) that the device supports: */
+	struct {
+		int				alt_setting;
+		struct usb_endpoint_descriptor	*epwrite;
+		struct usb_endpoint_descriptor	*epread;
+	}			protocol[USBLP_MAX_PROTOCOLS];
+	int			current_protocol;
 	int			minor;			/* minor number of device */
 	int			wcomplete;		/* writing is completed */
 	int			rcomplete;		/* reading is completed */
@@ -105,6 +143,35 @@ struct usblp {
 							/* first 2 bytes are (big-endian) length */
 };
 
+#ifdef DEBUG
+static void usblp_dump(struct usblp *usblp) {
+	int p;
+
+	dbg("usblp=0x%p", usblp);
+	dbg("dev=0x%p", usblp->dev);
+	dbg("devfs=0x%p", usblp->devfs);
+	dbg("buf=0x%p", usblp->buf);
+	dbg("readcount=%d", usblp->readcount);
+	dbg("ifnum=%d", usblp->ifnum);
+    for (p = USBLP_FIRST_PROTOCOL; p <= USBLP_LAST_PROTOCOL; p++) {
+	dbg("protocol[%d].alt_setting=%d", p, usblp->protocol[p].alt_setting);
+	dbg("protocol[%d].epwrite=%p", p, usblp->protocol[p].epwrite);
+	dbg("protocol[%d].epread=%p", p, usblp->protocol[p].epread);
+    }
+	dbg("current_protocol=%d", usblp->current_protocol);
+	dbg("minor=%d", usblp->minor);
+	dbg("wcomplete=%d", usblp->wcomplete);
+	dbg("rcomplete=%d", usblp->rcomplete);
+	dbg("quirks=%d", usblp->quirks);
+	dbg("used=%d", usblp->used);
+	dbg("bidir=%d", usblp->bidir);
+	dbg("device_id_string=\"%s\"",
+		usblp->device_id_string ?
+			usblp->device_id_string + 2 :
+			(unsigned char *)"(null)");
+}
+#endif
+
 extern devfs_handle_t usb_devfs_handle;			/* /dev/usb dir. */
 
 static struct usblp *usblp_table[USBLP_MINORS];
@@ -126,29 +193,45 @@ static struct quirk_printer_struct quirk_printers[] = {
 	{ 0x03f0, 0x0204, USBLP_QUIRK_BIDIR }, /* HP DeskJet 815C */
 	{ 0x03f0, 0x0304, USBLP_QUIRK_BIDIR }, /* HP DeskJet 810C/812C */
 	{ 0x03f0, 0x0404, USBLP_QUIRK_BIDIR }, /* HP DeskJet 830C */
+	{ 0x0409, 0xefbe, USBLP_QUIRK_BIDIR }, /* NEC Picty900 (HP OEM) */
 	{ 0, 0 }
 };
 
+static int usblp_select_alts(struct usblp *usblp);
+static int usblp_set_protocol(struct usblp *usblp, int protocol);
+static int usblp_cache_device_id_string(struct usblp *usblp);
+
+
 /*
  * Functions for usblp control messages.
  */
 
-static int usblp_ctrl_msg(struct usblp *usblp, int request, int dir, int recip, int value, void *buf, int len)
+static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, int recip, int value, void *buf, int len)
 {
 	int retval = usb_control_msg(usblp->dev,
 		dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0),
-		request, USB_TYPE_CLASS | dir | recip, value, usblp->ifnum, buf, len, HZ * 5);
+		request, type | dir | recip, value, usblp->ifnum, buf, len, USBLP_WRITE_TIMEOUT);
 	dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d len: %#x result: %d",
 		request, !!dir, recip, value, len, retval);
 	return retval < 0 ? retval : 0;
 }
 
 #define usblp_read_status(usblp, status)\
-	usblp_ctrl_msg(usblp, USBLP_REQ_GET_STATUS, USB_DIR_IN, USB_RECIP_INTERFACE, 0, status, 1)
+	usblp_ctrl_msg(usblp, USBLP_REQ_GET_STATUS, USB_TYPE_CLASS, USB_DIR_IN, USB_RECIP_INTERFACE, 0, status, 1)
 #define usblp_get_id(usblp, config, id, maxlen)\
-	usblp_ctrl_msg(usblp, USBLP_REQ_GET_ID, USB_DIR_IN, USB_RECIP_INTERFACE, config, id, maxlen)
+	usblp_ctrl_msg(usblp, USBLP_REQ_GET_ID, USB_TYPE_CLASS, USB_DIR_IN, USB_RECIP_INTERFACE, config, id, maxlen)
 #define usblp_reset(usblp)\
-	usblp_ctrl_msg(usblp, USBLP_REQ_RESET, USB_DIR_OUT, USB_RECIP_OTHER, 0, NULL, 0)
+	usblp_ctrl_msg(usblp, USBLP_REQ_RESET, USB_TYPE_CLASS, USB_DIR_OUT, USB_RECIP_OTHER, 0, NULL, 0)
+
+#define usblp_hp_channel_change_request(usblp, channel, buffer) \
+	usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST, USB_TYPE_VENDOR, USB_DIR_IN, USB_RECIP_INTERFACE, channel, buffer, 1)
+
+/*
+ * See the description for usblp_select_alts() below for the usage
+ * explanation.  Look into your /proc/bus/usb/devices and dmesg in
+ * case of any trouble.
+ */
+static int proto_bias = -1;
 
 /*
  * URB callback.
@@ -276,7 +359,7 @@ static void usblp_cleanup (struct usblp *usblp)
 {
 	devfs_unregister (usblp->devfs);
 	usblp_table [usblp->minor] = NULL;
-	info ("usblp%d: removed", usblp->minor);
+	info("usblp%d: removed", usblp->minor);
 
 	kfree (usblp->writeurb->transfer_buffer);
 	kfree (usblp->device_id_string);
@@ -285,6 +368,13 @@ static void usblp_cleanup (struct usblp *usblp)
 	kfree (usblp);
 }
 
+static void usblp_unlink_urbs(struct usblp *usblp)
+{
+	usb_unlink_urb(usblp->writeurb);
+	if (usblp->bidir)
+		usb_unlink_urb(usblp->readurb);
+}
+
 static int usblp_release(struct inode *inode, struct file *file)
 {
 	struct usblp *usblp = file->private_data;
@@ -293,9 +383,7 @@ static int usblp_release(struct inode *inode, struct file *file)
 	lock_kernel();
 	usblp->used = 0;
 	if (usblp->dev) {
-		if (usblp->bidir)
-			usb_unlink_urb(usblp->readurb);
-		usb_unlink_urb(usblp->writeurb);
+		usblp_unlink_urbs(usblp);
 		up(&usblp->sem);
 	} else 		/* finish cleanup from disconnect */
 		usblp_cleanup (usblp);
@@ -315,8 +403,9 @@ static unsigned int usblp_poll(struct file *file, struct poll_table_struct *wait
 static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct usblp *usblp = file->private_data;
-	int length, err;
-	unsigned char status;
+	int length, err, i;
+	unsigned char status, newChannel;
+	int twoints[2];
 	int retval = 0;
 
 	down (&usblp->sem);
@@ -335,32 +424,128 @@ static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 					goto done;
 				}
 
-				err = usblp_get_id(usblp, 0, usblp->device_id_string, DEVICE_ID_SIZE - 1);
+				length = usblp_cache_device_id_string(usblp);
+				if (length < 0) {
+					retval = length;
+					goto done;
+				}
+				if (length > _IOC_SIZE(cmd))
+					length = _IOC_SIZE(cmd); /* truncate */
+
+				if (copy_to_user((unsigned char *) arg,
+						usblp->device_id_string,
+						(unsigned long) length)) {
+					retval = -EFAULT;
+					goto done;
+				}
+
+				break;
+
+			case IOCNR_GET_PROTOCOLS:
+				if (_IOC_DIR(cmd) != _IOC_READ ||
+				    _IOC_SIZE(cmd) < sizeof(twoints)) {
+					retval = -EINVAL;
+					goto done;
+				}
+
+				twoints[0] = usblp->current_protocol;
+				twoints[1] = 0;
+				for (i = USBLP_FIRST_PROTOCOL;
+				     i <= USBLP_LAST_PROTOCOL; i++) {
+					if (usblp->protocol[i].alt_setting >= 0)
+						twoints[1] |= (1<<i);
+				}
+
+				if (copy_to_user((unsigned char *)arg,
+						(unsigned char *)twoints,
+						sizeof(twoints))) {
+					retval = -EFAULT;
+					goto done;
+				}
+
+				break;
+
+			case IOCNR_SET_PROTOCOL:
+				if (_IOC_DIR(cmd) != _IOC_WRITE) {
+					retval = -EINVAL;
+					goto done;
+				}
+
+#ifdef DEBUG
+				if (arg == -10) {
+					usblp_dump(usblp);
+					break;
+				}
+#endif
+
+				usblp_unlink_urbs(usblp);
+				retval = usblp_set_protocol(usblp, arg);
+				if (retval < 0) {
+					usblp_set_protocol(usblp,
+						usblp->current_protocol);
+				}
+				break;
+
+			case IOCNR_HP_SET_CHANNEL:
+				if (_IOC_DIR(cmd) != _IOC_WRITE ||
+				    usblp->dev->descriptor.idVendor != 0x03F0 ||
+				    usblp->quirks & USBLP_QUIRK_BIDIR) {
+					retval = -EINVAL;
+					goto done;
+				}
+
+				err = usblp_hp_channel_change_request(usblp,
+					arg, &newChannel);
 				if (err < 0) {
-					dbg ("usblp%d: error = %d reading IEEE-1284 Device ID string",
+					err("usblp%d: error = %d setting "
+						"HP channel",
 						usblp->minor, err);
-					usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';
 					retval = -EIO;
 					goto done;
 				}
 
-				length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1]; /* big-endian */
-				if (length < DEVICE_ID_SIZE)
-					usblp->device_id_string[length] = '\0';
-				else
-					usblp->device_id_string[DEVICE_ID_SIZE - 1] = '\0';
+				dbg("usblp%d requested/got HP channel %ld/%d",
+					usblp->minor, arg, newChannel);
+				break;
 
-				dbg ("usblp%d Device ID string [%d/max %d]='%s'",
-					usblp->minor, length, _IOC_SIZE(cmd), &usblp->device_id_string[2]);
+			case IOCNR_GET_BUS_ADDRESS:
+				if (_IOC_DIR(cmd) != _IOC_READ ||
+				    _IOC_SIZE(cmd) < sizeof(twoints)) {
+					retval = -EINVAL;
+					goto done;
+				}
 
-				if (length > _IOC_SIZE(cmd)) length = _IOC_SIZE(cmd); /* truncate */
+				twoints[0] = usblp->dev->bus->busnum;
+				twoints[1] = usblp->dev->devnum;
+				if (copy_to_user((unsigned char *)arg,
+						(unsigned char *)twoints,
+						sizeof(twoints))) {
+					retval = -EFAULT;
+					goto done;
+				}
 
-				if (copy_to_user((unsigned char *) arg,
-						usblp->device_id_string, (unsigned long) length)) {
+				dbg("usblp%d is bus=%d, device=%d",
+					usblp->minor, twoints[0], twoints[1]);
+				break;
+
+			case IOCNR_GET_VID_PID:
+				if (_IOC_DIR(cmd) != _IOC_READ ||
+				    _IOC_SIZE(cmd) < sizeof(twoints)) {
+					retval = -EINVAL;
+					goto done;
+				}
+
+				twoints[0] = usblp->dev->descriptor.idVendor;
+				twoints[1] = usblp->dev->descriptor.idProduct;
+				if (copy_to_user((unsigned char *)arg,
+						(unsigned char *)twoints,
+						sizeof(twoints))) {
 					retval = -EFAULT;
 					goto done;
 				}
 
+				dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
+					usblp->minor, twoints[0], twoints[1]);
 				break;
 
 			default:
@@ -593,155 +778,268 @@ static struct file_operations usblp_fops = {
 static void *usblp_probe(struct usb_device *dev, unsigned int ifnum,
 			 const struct usb_device_id *id)
 {
-	struct usb_interface_descriptor *interface;
-	struct usb_endpoint_descriptor *epread, *epwrite;
-	struct usblp *usblp;
-	int minor, i, bidir = 0, quirks;
-	int alts = dev->actconfig->interface[ifnum].act_altsetting;
-	int length, err;
-	char *buf;
+	struct usblp *usblp = 0;
+	int protocol;
 	char name[6];
 
-	/* If a bidirectional interface exists, use it. */
-	for (i = 0; i < dev->actconfig->interface[ifnum].num_altsetting; i++) {
-
-		interface = &dev->actconfig->interface[ifnum].altsetting[i];
-
-		if (interface->bInterfaceClass != 7 || interface->bInterfaceSubClass != 1 ||
-		    interface->bInterfaceProtocol < 1 || interface->bInterfaceProtocol > 3 ||
-		   (interface->bInterfaceProtocol > 1 && interface->bNumEndpoints < 2))
-			continue;
-
-		if (interface->bInterfaceProtocol > 1) {
-			bidir = 1;
-			alts = i;
-			break;
-		}
-	}
-
-	interface = &dev->actconfig->interface[ifnum].altsetting[alts];
-	if (usb_set_interface(dev, ifnum, alts))
-		err("can't set desired altsetting %d on interface %d", alts, ifnum);
-
-	epwrite = interface->endpoint + 0;
-	epread = bidir ? interface->endpoint + 1 : NULL;
-
-	if ((epwrite->bEndpointAddress & 0x80) == 0x80) {
-		if (interface->bNumEndpoints == 1)
-			return NULL;
-		epwrite = interface->endpoint + 1;
-		epread = bidir ? interface->endpoint + 0 : NULL;
-	}
-
-	if ((epwrite->bEndpointAddress & 0x80) == 0x80)
-		return NULL;
-
-	if (bidir && (epread->bEndpointAddress & 0x80) != 0x80)
-		return NULL;
-
-	for (minor = 0; minor < USBLP_MINORS && usblp_table[minor]; minor++);
-	if (usblp_table[minor]) {
-		err("no more free usblp devices");
-		return NULL;
-	}
-
+	/* Malloc and start initializing usblp structure so we can use it
+	 * directly. */
 	if (!(usblp = kmalloc(sizeof(struct usblp), GFP_KERNEL))) {
-		err("out of memory");
-		return NULL;
+		err("out of memory for usblp");
+		goto abort;
 	}
 	memset(usblp, 0, sizeof(struct usblp));
-	init_MUTEX (&usblp->sem);
-
-	/* lookup quirks for this printer */
-	quirks = usblp_quirks(dev->descriptor.idVendor, dev->descriptor.idProduct);
-
-	if (bidir && (quirks & USBLP_QUIRK_BIDIR)) {
-		bidir = 0;
-		epread = NULL;
-		info ("Disabling reads from problem bidirectional printer on usblp%d",
-			minor);
-	}
-
 	usblp->dev = dev;
+	init_MUTEX (&usblp->sem);
+	init_waitqueue_head(&usblp->wait);
 	usblp->ifnum = ifnum;
-	usblp->minor = minor;
-	usblp->bidir = bidir;
-	usblp->quirks = quirks;
 
-	init_waitqueue_head(&usblp->wait);
+	/* Look for a free usblp_table entry. */
+	while (usblp_table[usblp->minor]) {
+		usblp->minor++;
+		if (usblp->minor >= USBLP_MINORS) {
+			err("no more free usblp devices");
+			goto abort;
+		}
+	}
 
 	usblp->writeurb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!usblp->writeurb) {
 		err("out of memory");
-		kfree(usblp);
-		return NULL;
+		goto abort;
 	}
 	usblp->readurb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!usblp->readurb) {
 		err("out of memory");
-		usb_free_urb(usblp->writeurb);
-		kfree(usblp);
-		return NULL;
+		goto abort;
 	}
 
-	if (!(buf = kmalloc(USBLP_BUF_SIZE * (bidir ? 2 : 1), GFP_KERNEL))) {
-		err("out of memory");
-		usb_free_urb(usblp->writeurb);
-		usb_free_urb(usblp->readurb);
-		kfree(usblp);
-		return NULL;
+	/* Malloc device ID string buffer to the largest expected length,
+	 * since we can re-query it on an ioctl and a dynamic string
+	 * could change in length. */
+	if (!(usblp->device_id_string = kmalloc(DEVICE_ID_SIZE, GFP_KERNEL))) {
+		err("out of memory for device_id_string");
+		goto abort;
 	}
 
-	if (!(usblp->device_id_string = kmalloc(DEVICE_ID_SIZE, GFP_KERNEL))) {
-		err("out of memory");
-		usb_free_urb(usblp->writeurb);
-		usb_free_urb(usblp->readurb);
-		kfree(usblp);
-		kfree(buf);
-		return NULL;
+	/* Malloc write/read buffers in one chunk.  We somewhat wastefully
+	 * malloc both regardless of bidirectionality, because the
+	 * alternate setting can be changed later via an ioctl. */
+	if (!(usblp->buf = kmalloc(2 * USBLP_BUF_SIZE, GFP_KERNEL))) {
+		err("out of memory for buf");
+		goto abort;
 	}
 
-	FILL_BULK_URB(usblp->writeurb, dev, usb_sndbulkpipe(dev, epwrite->bEndpointAddress),
-		buf, 0, usblp_bulk_write, usblp);
+	/* Lookup quirks for this printer. */
+	usblp->quirks = usblp_quirks(
+		dev->descriptor.idVendor,
+		dev->descriptor.idProduct);
+
+	/* Analyze and pick initial alternate settings and endpoints. */
+	protocol = usblp_select_alts(usblp);
+	if (protocol < 0) {
+		dbg("incompatible printer-class device 0x%4.4X/0x%4.4X",
+			dev->descriptor.idVendor,
+			dev->descriptor.idProduct);
+		goto abort;
+	}
 
-	if (bidir)
-		FILL_BULK_URB(usblp->readurb, dev, usb_rcvbulkpipe(dev, epread->bEndpointAddress),
-			buf + USBLP_BUF_SIZE, USBLP_BUF_SIZE, usblp_bulk_read, usblp);
+	/* Setup the selected alternate setting and endpoints. */
+	if (usblp_set_protocol(usblp, protocol) < 0)
+		goto abort;
 
-	/* Get the device_id string if possible. FIXME: Could make this kmalloc(length). */
-	err = usblp_get_id(usblp, 0, usblp->device_id_string, DEVICE_ID_SIZE - 1);
-	if (err >= 0) {
-		length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1]; /* big-endian */
-		if (length < DEVICE_ID_SIZE)
-			usblp->device_id_string[length] = '\0';
-		else
-			usblp->device_id_string[DEVICE_ID_SIZE - 1] = '\0';
-		dbg ("usblp%d Device ID string [%d]=%s",
-			minor, length, &usblp->device_id_string[2]);
-	}
-	else {
-		err ("usblp%d: error = %d reading IEEE-1284 Device ID string",
-			minor, err);
-		usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';
-	}
+	/* Retrieve and store the device ID string. */
+	usblp_cache_device_id_string(usblp);
 
 #ifdef DEBUG
 	usblp_check_status(usblp, 0);
 #endif
 
-	sprintf(name, "lp%d", minor);
-
-	/* if we have devfs, create with perms=660 */
+	/* If we have devfs, create with perms=660. */
+	sprintf(name, "lp%d", usblp->minor);
 	usblp->devfs = devfs_register(usb_devfs_handle, name,
 				      DEVFS_FL_DEFAULT, USB_MAJOR,
-				      USBLP_MINOR_BASE + minor,
+				      USBLP_MINOR_BASE + usblp->minor,
 				      S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP |
 				      S_IWGRP, &usblp_fops, NULL);
 
-	info("usblp%d: USB %sdirectional printer dev %d if %d alt %d",
-		minor, bidir ? "Bi" : "Uni", dev->devnum, ifnum, alts);
+	info("usblp%d: USB %sdirectional printer dev %d "
+		"if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X",
+		usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum, ifnum,
+		usblp->protocol[usblp->current_protocol].alt_setting,
+		usblp->current_protocol, usblp->dev->descriptor.idVendor,
+		usblp->dev->descriptor.idProduct);
+
+	return usblp_table[usblp->minor] = usblp;
+
+abort:
+	if (usblp) {
+		usb_free_urb(usblp->writeurb);
+		usb_free_urb(usblp->readurb);
+		if (usblp->buf) kfree(usblp->buf);
+		if (usblp->device_id_string) kfree(usblp->device_id_string);
+		kfree(usblp);
+	}
+	return NULL;
+}
+
+/*
+ * We are a "new" style driver with usb_device_id table,
+ * but our requirements are too intricate for simple match to handle.
+ *
+ * The "proto_bias" option may be used to specify the preferred protocol
+ * for all USB printers (1=7/1/1, 2=7/1/2, 3=7/1/3).  If the device
+ * supports the preferred protocol, then we bind to it.
+ *
+ * The best interface for us is 7/1/2, because it is compatible
+ * with a stream of characters. If we find it, we bind to it.
+ *
+ * Note that the people from hpoj.sourceforge.net need to be able to
+ * bind to 7/1/3 (MLC/1284.4), so we provide them ioctls for this purpose.
+ *
+ * Failing 7/1/2, we look for 7/1/3, even though it's probably not
+ * stream-compatible, because this matches the behaviour of the old code.
+ *
+ * If nothing else, we bind to 7/1/1 - the unidirectional interface.
+ */
+static int usblp_select_alts(struct usblp *usblp)
+{
+	struct usb_interface *if_alt;
+	struct usb_interface_descriptor *ifd;
+	struct usb_endpoint_descriptor *epd, *epwrite, *epread;
+	int p, i, e;
+
+	if_alt = &usblp->dev->actconfig->interface[usblp->ifnum];
+
+	for (p = 0; p < USBLP_MAX_PROTOCOLS; p++)
+		usblp->protocol[p].alt_setting = -1;
 
-	return usblp_table[minor] = usblp;
+	/* Find out what we have. */
+	for (i = 0; i < if_alt->num_altsetting; i++) {
+		ifd = &if_alt->altsetting[i];
+
+		if (ifd->bInterfaceClass != 7 || ifd->bInterfaceSubClass != 1)
+			continue;
+
+		if (ifd->bInterfaceProtocol < USBLP_FIRST_PROTOCOL ||
+		    ifd->bInterfaceProtocol > USBLP_LAST_PROTOCOL)
+			continue;
+
+		/* Look for bulk OUT and IN endpoints. */
+		epwrite = epread = 0;
+		for (e = 0; e < ifd->bNumEndpoints; e++) {
+			epd = &ifd->endpoint[e];
+
+			if ((epd->bmAttributes&USB_ENDPOINT_XFERTYPE_MASK)!=
+			    USB_ENDPOINT_XFER_BULK)
+				continue;
+
+			if (!(epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK)) {
+				if (!epwrite) epwrite=epd;
+
+			} else {
+				if (!epread) epread=epd;
+			}
+		}
+
+		/* Ignore buggy hardware without the right endpoints. */
+		if (!epwrite || (ifd->bInterfaceProtocol > 1 && !epread))
+			continue;
+
+		/* Turn off reads for 7/1/1 (unidirectional) interfaces
+		 * and buggy bidirectional printers. */
+		if (ifd->bInterfaceProtocol == 1) {
+			epread = NULL;
+		} else if (usblp->quirks & USBLP_QUIRK_BIDIR) {
+			info("Disabling reads from problem bidirectional "
+				"printer on usblp%d", usblp->minor);
+			epread = NULL;
+		}
+
+		usblp->protocol[ifd->bInterfaceProtocol].alt_setting = i;
+		usblp->protocol[ifd->bInterfaceProtocol].epwrite = epwrite;
+		usblp->protocol[ifd->bInterfaceProtocol].epread = epread;
+	}
+
+	/* If our requested protocol is supported, then use it. */
+	if (proto_bias >= USBLP_FIRST_PROTOCOL &&
+	    proto_bias <= USBLP_LAST_PROTOCOL &&
+	    usblp->protocol[proto_bias].alt_setting != -1)
+		return proto_bias;
+
+	/* Ordering is important here. */
+	if (usblp->protocol[2].alt_setting != -1) return 2;
+	if (usblp->protocol[1].alt_setting != -1) return 1;
+	if (usblp->protocol[3].alt_setting != -1) return 3;
+
+	/* If nothing is available, then don't bind to this device. */
+	return -1;
+}
+
+static int usblp_set_protocol(struct usblp *usblp, int protocol)
+{
+	int r, alts;
+
+	if (protocol < USBLP_FIRST_PROTOCOL || protocol > USBLP_LAST_PROTOCOL)
+		return -EINVAL;
+
+	alts = usblp->protocol[protocol].alt_setting;
+	if (alts < 0) return -EINVAL;
+	r = usb_set_interface(usblp->dev, usblp->ifnum, alts);
+	if (r < 0) {
+		err("can't set desired altsetting %d on interface %d",
+			alts, usblp->ifnum);
+		return r;
+	}
+
+	FILL_BULK_URB(usblp->writeurb, usblp->dev,
+		usb_sndbulkpipe(usblp->dev,
+		 usblp->protocol[protocol].epwrite->bEndpointAddress),
+		usblp->buf, 0,
+		usblp_bulk_write, usblp);
+
+	usblp->bidir = (usblp->protocol[protocol].epread != 0);
+	if (usblp->bidir)
+		FILL_BULK_URB(usblp->readurb, usblp->dev,
+			usb_rcvbulkpipe(usblp->dev,
+			 usblp->protocol[protocol].epread->bEndpointAddress),
+			usblp->buf + USBLP_BUF_SIZE, USBLP_BUF_SIZE,
+			usblp_bulk_read, usblp);
+
+	usblp->current_protocol = protocol;
+	dbg("usblp%d set protocol %d", usblp->minor, protocol);
+	return 0;
+}
+
+/* Retrieves and caches device ID string.
+ * Returns length, including length bytes but not null terminator.
+ * On error, returns a negative errno value. */
+static int usblp_cache_device_id_string(struct usblp *usblp)
+{
+	int err, length;
+
+	err = usblp_get_id(usblp, 0, usblp->device_id_string, DEVICE_ID_SIZE - 1);
+	if (err < 0) {
+		dbg("usblp%d: error = %d reading IEEE-1284 Device ID string",
+			usblp->minor, err);
+		usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';
+		return -EIO;
+	}
+
+	/* First two bytes are length in big-endian.
+	 * They count themselves, and we copy them into
+	 * the user's buffer. */
+	length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1];
+	if (length < 2)
+		length = 2;
+	else if (length >= DEVICE_ID_SIZE)
+		length = DEVICE_ID_SIZE - 1;
+	usblp->device_id_string[length] = '\0';
+
+	dbg("usblp%d Device ID string [len=%d]=\"%s\"",
+		usblp->minor, length, &usblp->device_id_string[2]);
+
+	return length;
 }
 
 static void usblp_disconnect(struct usb_device *dev, void *ptr)
@@ -757,9 +1055,7 @@ static void usblp_disconnect(struct usb_device *dev, void *ptr)
 	lock_kernel();
 	usblp->dev = NULL;
 
-	usb_unlink_urb(usblp->writeurb);
-	if (usblp->bidir)
-		usb_unlink_urb(usblp->readurb);
+	usblp_unlink_urbs(usblp);
 
 	if (!usblp->used)
 		usblp_cleanup (usblp);
@@ -794,7 +1090,7 @@ static int __init usblp_init(void)
 {
 	if (usb_register(&usblp_driver))
 		return -1;
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	info(DRIVER_VERSION ": " DRIVER_DESC);
 	return 0;
 }
 
@@ -808,5 +1104,6 @@ module_exit(usblp_exit);
 
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_PARM(proto_bias, "i");
+MODULE_PARM_DESC(proto_bias, "Favourite protocol number");
 MODULE_LICENSE("GPL");
-

drivers/usb/serial/cyberjack.c

@@ -262,7 +262,7 @@ static int cyberjack_write (struct usb_serial_port *port, int from_user, const u
 			      port);
 
 		/* send the data out the bulk port */
-		result = usb_submit_urb(port->write_urb, GFP_KERNEL);
+		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
 			err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 			/* Throw away data. No better idea what to do with it. */
@@ -331,7 +331,7 @@ static void cyberjack_read_int_callback( struct urb *urb )
 
 		if( !old_rdtodo ) {
 			port->read_urb->dev = port->serial->dev;
-			result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+			result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 			if( result )
 				err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 			dbg(__FUNCTION__ " - usb_submit_urb(read urb)");
@@ -387,7 +387,7 @@ static void cyberjack_read_bulk_callback (struct urb *urb)
 	/* Continue to read if we have still urbs to do. */
 	if( priv->rdtodo /* || (urb->actual_length==port->bulk_in_endpointAddress)*/ ) {
 		port->read_urb->dev = port->serial->dev;
-		result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+		result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 		if (result)
 			err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 		dbg(__FUNCTION__ " - usb_submit_urb(read urb)");
@@ -440,7 +440,7 @@ static void cyberjack_write_bulk_callback (struct urb *urb)
 			      port);
 
 		/* send the data out the bulk port */
-		result = usb_submit_urb(port->write_urb, GFP_KERNEL);
+		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
 			err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 			/* Throw away data. No better idea what to do with it. */

drivers/usb/serial/digi_acceleport.c

@@ -676,7 +676,7 @@ dbg( "digi_write_oob_command: TOP: port=%d, count=%d", oob_priv->dp_port_num, co
 		oob_port->write_urb->transfer_buffer_length = len;
 		oob_port->write_urb->dev = port->serial->dev;
 
-		if( (ret=usb_submit_urb(oob_port->write_urb, GFP_KERNEL)) == 0 ) {
+		if( (ret=usb_submit_urb(oob_port->write_urb, GFP_ATOMIC)) == 0 ) {
 			oob_priv->dp_write_urb_in_use = 1;
 			count -= len;
 			buf += len;
@@ -764,7 +764,7 @@ count );
 		}
 		port->write_urb->dev = port->serial->dev;
 
-		if( (ret=usb_submit_urb(port->write_urb, GFP_KERNEL)) == 0 ) {
+		if( (ret=usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0 ) {
 			priv->dp_write_urb_in_use = 1;
 			priv->dp_out_buf_len = 0;
 			count -= len;
@@ -841,7 +841,7 @@ port_priv->dp_port_num, modem_signals );
 	oob_port->write_urb->transfer_buffer_length = 8;
 	oob_port->write_urb->dev = port->serial->dev;
 
-	if( (ret=usb_submit_urb(oob_port->write_urb, GFP_KERNEL)) == 0 ) {
+	if( (ret=usb_submit_urb(oob_port->write_urb, GFP_ATOMIC)) == 0 ) {
 		oob_priv->dp_write_urb_in_use = 1;
 		port_priv->dp_modem_signals =
 			(port_priv->dp_modem_signals&~(TIOCM_DTR|TIOCM_RTS))
@@ -962,7 +962,7 @@ dbg( "digi_rx_unthrottle: TOP: port=%d", priv->dp_port_num );
 	/* restart read chain */
 	if( priv->dp_throttle_restart ) {
 		port->read_urb->dev = port->serial->dev;
-		ret = usb_submit_urb( port->read_urb, GFP_KERNEL );
+		ret = usb_submit_urb( port->read_urb, GFP_ATOMIC );
 	}
 
 	/* turn throttle off */
@@ -1323,7 +1323,7 @@ priv->dp_port_num, count, from_user, in_interrupt() );
 	/* copy in new data */
 	memcpy( data, from_user ? user_buf : buf, new_len );
 
-	if( (ret=usb_submit_urb(port->write_urb, GFP_KERNEL)) == 0 ) {
+	if( (ret=usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0 ) {
 		priv->dp_write_urb_in_use = 1;
 		ret = new_len;
 		priv->dp_out_buf_len = 0;
@@ -1399,7 +1399,7 @@ dbg( "digi_write_bulk_callback: TOP, urb->status=%d", urb->status );
 		memcpy( port->write_urb->transfer_buffer+2, priv->dp_out_buf,
 			priv->dp_out_buf_len );
 
-		if( (ret=usb_submit_urb(port->write_urb, GFP_KERNEL)) == 0 ) {
+		if( (ret=usb_submit_urb(port->write_urb, GFP_ATOMIC)) == 0 ) {
 			priv->dp_write_urb_in_use = 1;
 			priv->dp_out_buf_len = 0;
 		}
@@ -1837,7 +1837,7 @@ dbg( "digi_read_bulk_callback: TOP" );
 
 	/* continue read */
 	urb->dev = port->serial->dev;
-	if( (ret=usb_submit_urb(urb, GFP_KERNEL)) != 0 ) {
+	if( (ret=usb_submit_urb(urb, GFP_ATOMIC)) != 0 ) {
 		err( __FUNCTION__ ": failed resubmitting urb, ret=%d, port=%d",
 			ret, priv->dp_port_num );
 	}

drivers/usb/serial/empeg.c

@@ -256,7 +256,7 @@ static int empeg_write (struct usb_serial_port *port, int from_user, const unsig
 		}
 
 		if (urb->transfer_buffer == NULL) {
-			urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
+			urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC);
 			if (urb->transfer_buffer == NULL) {
 				err(__FUNCTION__" no more kernel memory...");
 				goto exit;
@@ -288,7 +288,7 @@ static int empeg_write (struct usb_serial_port *port, int from_user, const unsig
 		urb->transfer_flags |= USB_QUEUE_BULK;
 
 		/* send it down the pipe */
-		status = usb_submit_urb(urb, GFP_KERNEL);
+		status = usb_submit_urb(urb, GFP_ATOMIC);
 		if (status) {
 			err(__FUNCTION__ " - usb_submit_urb(write bulk) failed with status = %d", status);
 			bytes_sent = status;
@@ -441,7 +441,7 @@ static void empeg_read_bulk_callback (struct urb *urb)
 
 	port->read_urb->transfer_flags |= USB_QUEUE_BULK;
 
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 
 	if (result)
 		err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
@@ -466,7 +466,7 @@ static void empeg_unthrottle (struct usb_serial_port *port)
 
 	port->read_urb->dev = port->serial->dev;
 
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 
 	if (result)
 		err(__FUNCTION__ " - failed submitting read urb, error %d", result);

drivers/usb/serial/ftdi_sio.c

@@ -469,7 +469,7 @@ static int ftdi_sio_write (struct usb_serial_port *port, int from_user,
 		      port->write_urb->transfer_buffer, count,
 		      ftdi_sio_write_bulk_callback, port);
 		
-	result = usb_submit_urb(port->write_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 	if (result) {
 		err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 		return 0;
@@ -631,7 +631,7 @@ static void ftdi_sio_read_bulk_callback (struct urb *urb)
 		      port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
 		      ftdi_sio_read_bulk_callback, port);
 
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 

drivers/usb/serial/io_edgeport.c

@@ -790,7 +790,7 @@ static void edge_interrupt_callback (struct urb *urb)
 
 					/* we have pending bytes on the bulk in pipe, send a request */
 					edge_serial->read_urb->dev = edge_serial->serial->dev;
-					result = usb_submit_urb(edge_serial->read_urb, GFP_KERNEL);
+					result = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC);
 					if (result) {
 						dbg(__FUNCTION__" - usb_submit_urb(read bulk) failed with result = %d", result);
 					}
@@ -867,7 +867,7 @@ static void edge_bulk_in_callback (struct urb *urb)
 
 			/* there is, so resubmit our urb */
 			edge_serial->read_urb->dev = edge_serial->serial->dev;
-			status = usb_submit_urb(edge_serial->read_urb, GFP_KERNEL);
+			status = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC);
 			if (status) {
 				err(__FUNCTION__" - usb_submit_urb(read bulk) failed, status = %d", status);
 			}
@@ -1435,7 +1435,7 @@ static void send_more_port_data(struct edgeport_serial *edge_serial, struct edge
 
 	/* build the data header for the buffer and port that we are about to send out */
 	count = fifo->count;
-	buffer = kmalloc (count+2, GFP_KERNEL);
+	buffer = kmalloc (count+2, GFP_ATOMIC);
 	if (buffer == NULL) {
 		err(__FUNCTION__" - no more kernel memory...");
 		edge_port->write_in_progress = FALSE;
@@ -1474,7 +1474,7 @@ static void send_more_port_data(struct edgeport_serial *edge_serial, struct edge
 	urb->transfer_flags |= USB_QUEUE_BULK;
 
 	urb->dev = edge_serial->serial->dev;
-	status = usb_submit_urb(urb, GFP_KERNEL);
+	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status) {
 		/* something went wrong */
 		dbg(__FUNCTION__" - usb_submit_urb(write bulk) failed");
@@ -2431,7 +2431,7 @@ static int send_iosp_ext_cmd (struct edgeport_port *edge_port, __u8 command, __u
 
 	dbg(__FUNCTION__" - %d, %d", command, param);
 
-	buffer =  kmalloc (10, GFP_KERNEL);
+	buffer =  kmalloc (10, GFP_ATOMIC);
 	if (!buffer) {
 		err(__FUNCTION__" - kmalloc(%d) failed.\n", 10);
 		return -ENOMEM;
@@ -2467,7 +2467,7 @@ static int write_cmd_usb (struct edgeport_port *edge_port, unsigned char *buffer
 	usb_serial_debug_data (__FILE__, __FUNCTION__, length, buffer);
 
 	/* Allocate our next urb */
-	urb = usb_alloc_urb (0, GFP_KERNEL);
+	urb = usb_alloc_urb (0, GFP_ATOMIC);
 	if (!urb)
 		return -ENOMEM;
 
@@ -2482,7 +2482,7 @@ static int write_cmd_usb (struct edgeport_port *edge_port, unsigned char *buffer
 	urb->transfer_flags |= USB_QUEUE_BULK;
 
 	edge_port->commandPending = TRUE;
-	status = usb_submit_urb(urb, GFP_KERNEL);
+	status = usb_submit_urb(urb, GFP_ATOMIC);
 
 	if (status) {
 		/* something went wrong */
@@ -2532,7 +2532,7 @@ static int send_cmd_write_baud_rate (struct edgeport_port *edge_port, int baudRa
 	}
 
 	// Alloc memory for the string of commands.
-	cmdBuffer =  kmalloc (0x100, GFP_KERNEL);
+	cmdBuffer =  kmalloc (0x100, GFP_ATOMIC);
 	if (!cmdBuffer) {
 		err(__FUNCTION__" - kmalloc(%d) failed.\n", 0x100);
 		return -ENOMEM;
@@ -2618,7 +2618,7 @@ static int send_cmd_write_uart_register (struct edgeport_port *edge_port, __u8 r
 	dbg (__FUNCTION__" - write to %s register 0x%02x", (regNum == MCR) ? "MCR" : "LCR", regValue);
 
 	// Alloc memory for the string of commands.
-	cmdBuffer = kmalloc (0x10, GFP_KERNEL);
+	cmdBuffer = kmalloc (0x10, GFP_ATOMIC);
 	if (cmdBuffer == NULL ) {
 		return -ENOMEM;
 	}

drivers/usb/serial/ipaq.c

@@ -297,7 +297,7 @@ static void ipaq_read_bulk_callback(struct urb *urb)
 		      usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
 		      port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
 		      ipaq_read_bulk_callback, port);
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 	return;
@@ -412,7 +412,7 @@ static int ipaq_write_flush(struct usb_serial_port *port)
 		      usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress),
 		      port->write_urb->transfer_buffer, count, ipaq_write_bulk_callback,
 		      port);
-	result = usb_submit_urb(urb, GFP_KERNEL);
+	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result) {
 		err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 	}

drivers/usb/serial/ir-usb.c

@@ -405,7 +405,7 @@ static int ir_write (struct usb_serial_port *port, int from_user, const unsigned
 		= USB_QUEUE_BULK
 		| USB_ZERO_PACKET;
 
-	result = usb_submit_urb (port->write_urb, GFP_KERNEL);
+	result = usb_submit_urb (port->write_urb, GFP_ATOMIC);
 	if (result)
 		err("%s - failed submitting write urb, error %d", __FUNCTION__, result);
 	else
@@ -515,7 +515,7 @@ static void ir_read_bulk_callback (struct urb *urb)
 
 			port->read_urb->transfer_flags = USB_QUEUE_BULK;
 
-			result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+			result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 
 			if (result)
 				err("%s - failed resubmitting read urb, error %d",

drivers/usb/serial/keyspan.c

@@ -378,7 +378,7 @@ static int keyspan_write(struct usb_serial_port *port, int from_user,
 
 		this_urb->transfer_flags &= ~USB_ASYNC_UNLINK;
 		this_urb->dev = port->serial->dev;
-		if ((err = usb_submit_urb(this_urb, GFP_KERNEL)) != 0) {
+		if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) {
 			dbg("usb_submit_urb(write bulk) failed (%d)\n", err);
 		}
 		p_priv->tx_start_time[flip] = jiffies;
@@ -436,7 +436,7 @@ static void	usa26_indat_callback(struct urb *urb)
 				
 		/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) {
+	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
 		dbg(__FUNCTION__ "resubmit read urb failed. (%d)\n", err);
 	}
 	return;
@@ -535,7 +535,7 @@ static void	usa26_instat_callback(struct urb *urb)
 exit:
 	/* Resubmit urb so we continue receiving */
 	urb->dev = serial->dev;
-	if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) {
+	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
 		dbg(__FUNCTION__ "resubmit read urb failed. (%d)\n", err);
 	}
 }
@@ -586,7 +586,7 @@ static void     usa28_indat_callback(struct urb *urb)
 
 		/* Resubmit urb so we continue receiving */
 		urb->dev = port->serial->dev;
-		if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) {
+		if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
 			dbg(__FUNCTION__ "resubmit read urb failed. (%d)\n",
 err);
 		}
@@ -671,7 +671,7 @@ static void	usa28_instat_callback(struct urb *urb)
 exit:	
 		/* Resubmit urb so we continue receiving */
 	urb->dev = serial->dev;
-	if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) {
+	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
 		dbg(__FUNCTION__ "resubmit read urb failed. (%d)\n", err);
 	}
 }
@@ -764,7 +764,7 @@ static void	usa49_instat_callback(struct urb *urb)
 		/* Resubmit urb so we continue receiving */
 	urb->dev = serial->dev;
 
-	if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) {
+	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
 		dbg(__FUNCTION__ "resubmit read urb failed. (%d)\n", err);
 	}
 }
@@ -819,7 +819,7 @@ static void	usa49_indat_callback(struct urb *urb)
 				
 		/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) {
+	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) {
 		dbg(__FUNCTION__ "resubmit read urb failed. (%d)\n", err);
 	}
 }

drivers/usb/serial/keyspan_pda.c

@@ -292,7 +292,7 @@ static void keyspan_pda_rx_unthrottle (struct usb_serial_port *port)
 	/* just restart the receive interrupt URB */
 	dbg("keyspan_pda_rx_unthrottle port %d", port->number);
 	port->interrupt_in_urb->dev = port->serial->dev;
-	if (usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL))
+	if (usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC))
 		dbg(" usb_submit_urb(read urb) failed");
 	return;
 }
@@ -584,7 +584,7 @@ static int keyspan_pda_write(struct usb_serial_port *port, int from_user,
 		priv->tx_room -= count;
 
 		port->write_urb->dev = port->serial->dev;
-		rc = usb_submit_urb(port->write_urb, GFP_KERNEL);
+		rc = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (rc) {
 			dbg(" usb_submit_urb(write bulk) failed");
 			goto exit;

drivers/usb/serial/kl5kusb105.c

@@ -519,7 +519,7 @@ static int klsi_105_write (struct usb_serial_port *port, int from_user,
 		}
 
 		if (urb->transfer_buffer == NULL) {
-			urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
+			urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC);
 			if (urb->transfer_buffer == NULL) {
 				err(__FUNCTION__ " - no more kernel memory...");
 				goto exit;
@@ -555,7 +555,7 @@ static int klsi_105_write (struct usb_serial_port *port, int from_user,
 
 
 		/* send the data out the bulk port */
-		result = usb_submit_urb(urb, GFP_KERNEL);
+		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
 			err(__FUNCTION__
 			    " - failed submitting write urb, error %d", result);
@@ -721,7 +721,7 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
 		      port->read_urb->transfer_buffer_length,
 		      klsi_105_read_bulk_callback,
 		      port);
-	rc = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	rc = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (rc)
 		err(__FUNCTION__ 
 		    " - failed resubmitting read urb, error %d", rc);
@@ -1019,7 +1019,7 @@ static void klsi_105_unthrottle (struct usb_serial_port *port)
 	dbg(__FUNCTION__ " - port %d", port->number);
 
 	port->read_urb->dev = port->serial->dev;
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed submitting read urb, error %d",
 		    result);

drivers/usb/serial/mct_u232.c

@@ -470,7 +470,7 @@ static int mct_u232_write (struct usb_serial_port *port, int from_user,
 			      port);
 		
 		/* send the data out the bulk port */
-		result = usb_submit_urb(port->write_urb, GFP_KERNEL);
+		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
 			err(__FUNCTION__
 			    " - failed submitting write urb, error %d", result);

drivers/usb/serial/omninet.c

@@ -265,7 +265,7 @@ static void omninet_read_bulk_callback (struct urb *urb)
 		      usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
 		      urb->transfer_buffer, urb->transfer_buffer_length,
 		      omninet_read_bulk_callback, port);
-	result = usb_submit_urb(urb, GFP_KERNEL);
+	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 
@@ -316,7 +316,7 @@ static int omninet_write (struct usb_serial_port *port, int from_user, const uns
 	wport->write_urb->transfer_buffer_length = 64;
 
 	wport->write_urb->dev = serial->dev;
-	result = usb_submit_urb(wport->write_urb, GFP_KERNEL);
+	result = usb_submit_urb(wport->write_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 	else

drivers/usb/serial/pl2303.c

@@ -195,7 +195,7 @@ static int pl2303_write (struct usb_serial_port *port, int from_user,  const uns
 
 	port->write_urb->transfer_buffer_length = count;
 	port->write_urb->dev = port->serial->dev;
-	result = usb_submit_urb (port->write_urb, GFP_KERNEL);
+	result = usb_submit_urb (port->write_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 	else
@@ -643,7 +643,7 @@ static void pl2303_read_bulk_callback (struct urb *urb)
 			dbg (__FUNCTION__ " - caught -EPROTO, resubmitting the urb");
 			urb->status = 0;
 			urb->dev = serial->dev;
-			result = usb_submit_urb(urb, GFP_KERNEL);
+			result = usb_submit_urb(urb, GFP_ATOMIC);
 			if (result)
 				err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 			return;
@@ -668,7 +668,7 @@ static void pl2303_read_bulk_callback (struct urb *urb)
 	/* Schedule the next read _if_ we are still open */
 	if (port->open_count) {
 		urb->dev = serial->dev;
-		result = usb_submit_urb(urb, GFP_KERNEL);
+		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result)
 			err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 	}
@@ -697,7 +697,7 @@ static void pl2303_write_bulk_callback (struct urb *urb)
 		dbg (__FUNCTION__ " - nonzero write bulk status received: %d", urb->status);
 		port->write_urb->transfer_buffer_length = 1;
 		port->write_urb->dev = port->serial->dev;
-		result = usb_submit_urb (port->write_urb, GFP_KERNEL);
+		result = usb_submit_urb (port->write_urb, GFP_ATOMIC);
 		if (result)
 			err(__FUNCTION__ " - failed resubmitting write urb, error %d", result);
 

drivers/usb/serial/usbserial.c

@@ -899,7 +899,7 @@ static int generic_write (struct usb_serial_port *port, int from_user, const uns
 				     generic_write_bulk_callback), port);
 
 		/* send the data out the bulk port */
-		result = usb_submit_urb(port->write_urb, GFP_KERNEL);
+		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result)
 			err(__FUNCTION__ " - failed submitting write urb, error %d", result);
 		else
@@ -989,7 +989,7 @@ static void generic_read_bulk_callback (struct urb *urb)
 			   ((serial->type->read_bulk_callback) ? 
 			     serial->type->read_bulk_callback : 
 			     generic_read_bulk_callback), port);
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 }

drivers/usb/serial/visor.c

@@ -344,13 +344,13 @@ static int visor_write (struct usb_serial_port *port, int from_user, const unsig
 
 	dbg(__FUNCTION__ " - port %d", port->number);
 
-	buffer = kmalloc (count, GFP_KERNEL);
+	buffer = kmalloc (count, GFP_ATOMIC);
 	if (!buffer) {
 		err ("out of memory");
 		return -ENOMEM;
 	}
 
-	urb = usb_alloc_urb(0, GFP_KERNEL);
+	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!urb) {
 		err ("no more free urbs");
 		kfree (buffer);
@@ -377,7 +377,7 @@ static int visor_write (struct usb_serial_port *port, int from_user, const unsig
 	urb->transfer_flags |= USB_QUEUE_BULK;
 
 	/* send it down the pipe */
-	status = usb_submit_urb(urb, GFP_KERNEL);
+	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status) {
 		err(__FUNCTION__ " - usb_submit_urb(write bulk) failed with status = %d", status);
 		count = status;
@@ -491,7 +491,7 @@ static void visor_read_bulk_callback (struct urb *urb)
 			   port->read_urb->transfer_buffer,
 			   port->read_urb->transfer_buffer_length,
 			   visor_read_bulk_callback, port);
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 	return;
@@ -512,7 +512,7 @@ static void visor_unthrottle (struct usb_serial_port *port)
 	dbg(__FUNCTION__ " - port %d", port->number);
 
 	port->read_urb->dev = port->serial->dev;
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		err(__FUNCTION__ " - failed submitting read urb, error %d", result);
 }

drivers/usb/serial/whiteheat.c

@@ -240,7 +240,7 @@ static void command_port_read_callback (struct urb *urb)
 		      usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
 		      port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
 		      command_port_read_callback, port);
-	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
 		dbg(__FUNCTION__ " - failed resubmitting read urb, error %d", result);
 }

fs/filesystems.c

@@ -6,7 +6,226 @@
  *  table of configured filesystems
  */
 
+#include <linux/config.h>
+#include <linux/slab.h>
+#include <linux/kmod.h>
+#define __NO_VERSION__
+#include <linux/module.h>
+#include <asm/uaccess.h>
+
 /*
- * Code will move here from fs/super.c and yes, it will be fs type handling
- * stuff.
+ * Handling of filesystem drivers list.
+ * Rules:
+ *	Inclusion to/removals from/scanning of list are protected by spinlock.
+ *	During the unload module must call unregister_filesystem().
+ *	We can access the fields of list element if:
+ *		1) spinlock is held or
+ *		2) we hold the reference to the module.
+ *	The latter can be guaranteed by call of try_inc_mod_count(); if it
+ *	returned 0 we must skip the element, otherwise we got the reference.
+ *	Once the reference is obtained we can drop the spinlock.
+ */
+
+static struct file_system_type *file_systems;
+static rwlock_t file_systems_lock = RW_LOCK_UNLOCKED;
+
+/* WARNING: This can be used only if we _already_ own a reference */
+void get_filesystem(struct file_system_type *fs)
+{
+	if (fs->owner)
+		__MOD_INC_USE_COUNT(fs->owner);
+}
+
+void put_filesystem(struct file_system_type *fs)
+{
+	if (fs->owner)
+		__MOD_DEC_USE_COUNT(fs->owner);
+}
+
+static struct file_system_type **find_filesystem(const char *name)
+{
+	struct file_system_type **p;
+	for (p=&file_systems; *p; p=&(*p)->next)
+		if (strcmp((*p)->name,name) == 0)
+			break;
+	return p;
+}
+
+/**
+ *	register_filesystem - register a new filesystem
+ *	@fs: the file system structure
+ *
+ *	Adds the file system passed to the list of file systems the kernel
+ *	is aware of for mount and other syscalls. Returns 0 on success,
+ *	or a negative errno code on an error.
+ *
+ *	The &struct file_system_type that is passed is linked into the kernel 
+ *	structures and must not be freed until the file system has been
+ *	unregistered.
  */
+ 
+int register_filesystem(struct file_system_type * fs)
+{
+	int res = 0;
+	struct file_system_type ** p;
+
+	if (!fs)
+		return -EINVAL;
+	if (fs->next)
+		return -EBUSY;
+	INIT_LIST_HEAD(&fs->fs_supers);
+	write_lock(&file_systems_lock);
+	p = find_filesystem(fs->name);
+	if (*p)
+		res = -EBUSY;
+	else
+		*p = fs;
+	write_unlock(&file_systems_lock);
+	return res;
+}
+
+/**
+ *	unregister_filesystem - unregister a file system
+ *	@fs: filesystem to unregister
+ *
+ *	Remove a file system that was previously successfully registered
+ *	with the kernel. An error is returned if the file system is not found.
+ *	Zero is returned on a success.
+ *	
+ *	Once this function has returned the &struct file_system_type structure
+ *	may be freed or reused.
+ */
+ 
+int unregister_filesystem(struct file_system_type * fs)
+{
+	struct file_system_type ** tmp;
+
+	write_lock(&file_systems_lock);
+	tmp = &file_systems;
+	while (*tmp) {
+		if (fs == *tmp) {
+			*tmp = fs->next;
+			fs->next = NULL;
+			write_unlock(&file_systems_lock);
+			return 0;
+		}
+		tmp = &(*tmp)->next;
+	}
+	write_unlock(&file_systems_lock);
+	return -EINVAL;
+}
+
+static int fs_index(const char * __name)
+{
+	struct file_system_type * tmp;
+	char * name;
+	int err, index;
+
+	name = getname(__name);
+	err = PTR_ERR(name);
+	if (IS_ERR(name))
+		return err;
+
+	err = -EINVAL;
+	read_lock(&file_systems_lock);
+	for (tmp=file_systems, index=0 ; tmp ; tmp=tmp->next, index++) {
+		if (strcmp(tmp->name,name) == 0) {
+			err = index;
+			break;
+		}
+	}
+	read_unlock(&file_systems_lock);
+	putname(name);
+	return err;
+}
+
+static int fs_name(unsigned int index, char * buf)
+{
+	struct file_system_type * tmp;
+	int len, res;
+
+	read_lock(&file_systems_lock);
+	for (tmp = file_systems; tmp; tmp = tmp->next, index--)
+		if (index <= 0 && try_inc_mod_count(tmp->owner))
+				break;
+	read_unlock(&file_systems_lock);
+	if (!tmp)
+		return -EINVAL;
+
+	/* OK, we got the reference, so we can safely block */
+	len = strlen(tmp->name) + 1;
+	res = copy_to_user(buf, tmp->name, len) ? -EFAULT : 0;
+	put_filesystem(tmp);
+	return res;
+}
+
+static int fs_maxindex(void)
+{
+	struct file_system_type * tmp;
+	int index;
+
+	read_lock(&file_systems_lock);
+	for (tmp = file_systems, index = 0 ; tmp ; tmp = tmp->next, index++)
+		;
+	read_unlock(&file_systems_lock);
+	return index;
+}
+
+/*
+ * Whee.. Weird sysv syscall. 
+ */
+asmlinkage long sys_sysfs(int option, unsigned long arg1, unsigned long arg2)
+{
+	int retval = -EINVAL;
+
+	switch (option) {
+		case 1:
+			retval = fs_index((const char *) arg1);
+			break;
+
+		case 2:
+			retval = fs_name(arg1, (char *) arg2);
+			break;
+
+		case 3:
+			retval = fs_maxindex();
+			break;
+	}
+	return retval;
+}
+
+int get_filesystem_list(char * buf)
+{
+	int len = 0;
+	struct file_system_type * tmp;
+
+	read_lock(&file_systems_lock);
+	tmp = file_systems;
+	while (tmp && len < PAGE_SIZE - 80) {
+		len += sprintf(buf+len, "%s\t%s\n",
+			(tmp->fs_flags & FS_REQUIRES_DEV) ? "" : "nodev",
+			tmp->name);
+		tmp = tmp->next;
+	}
+	read_unlock(&file_systems_lock);
+	return len;
+}
+
+struct file_system_type *get_fs_type(const char *name)
+{
+	struct file_system_type *fs;
+
+	read_lock(&file_systems_lock);
+	fs = *(find_filesystem(name));
+	if (fs && !try_inc_mod_count(fs->owner))
+		fs = NULL;
+	read_unlock(&file_systems_lock);
+	if (!fs && (request_module(name) == 0)) {
+		read_lock(&file_systems_lock);
+		fs = *(find_filesystem(name));
+		if (fs && !try_inc_mod_count(fs->owner))
+			fs = NULL;
+		read_unlock(&file_systems_lock);
+	}
+	return fs;
+}

fs/isofs/dir.c

@@ -110,14 +110,13 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
 	struct buffer_head *bh = NULL;
 	int len;
 	int map;
-	int high_sierra;
 	int first_de = 1;
 	char *p = NULL;		/* Quiet GCC */
 	struct iso_directory_record *de;
+	struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);
 
 	offset = filp->f_pos & (bufsize - 1);
 	block = filp->f_pos >> bufbits;
-	high_sierra = inode->i_sb->u.isofs_sb.s_high_sierra;
 
 	while (filp->f_pos < inode->i_size) {
 		int de_len;
@@ -166,7 +165,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
 			de = tmpde;
 		}
 
-		if (de->flags[-high_sierra] & 0x80) {
+		if (de->flags[-sbi->s_high_sierra] & 0x80) {
 			first_de = 0;
 			filp->f_pos += de_len;
 			continue;
@@ -194,16 +193,16 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
 
 		/* Handle everything else.  Do name translation if there
 		   is no Rock Ridge NM field. */
-		if (inode->i_sb->u.isofs_sb.s_unhide == 'n') {
+		if (sbi->s_unhide == 'n') {
 			/* Do not report hidden or associated files */
-			if (de->flags[-high_sierra] & 5) {
+			if (de->flags[-sbi->s_high_sierra] & 5) {
 				filp->f_pos += de_len;
 				continue;
 			}
 		}
 
 		map = 1;
-		if (inode->i_sb->u.isofs_sb.s_rock) {
+		if (sbi->s_rock) {
 			len = get_rock_ridge_filename(de, tmpname, inode);
 			if (len != 0) {		/* may be -1 */
 				p = tmpname;
@@ -212,16 +211,16 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
 		}
 		if (map) {
 #ifdef CONFIG_JOLIET
-			if (inode->i_sb->u.isofs_sb.s_joliet_level) {
+			if (sbi->s_joliet_level) {
 				len = get_joliet_filename(de, tmpname, inode);
 				p = tmpname;
 			} else
 #endif
-			if (inode->i_sb->u.isofs_sb.s_mapping == 'a') {
+			if (sbi->s_mapping == 'a') {
 				len = get_acorn_filename(de, tmpname, inode);
 				p = tmpname;
 			} else
-			if (inode->i_sb->u.isofs_sb.s_mapping == 'n') {
+			if (sbi->s_mapping == 'n') {
 				len = isofs_name_translate(de, tmpname, inode);
 				p = tmpname;
 			} else {

fs/isofs/inode.c

@@ -60,10 +60,11 @@ static int isofs_dentry_cmp_ms(struct dentry *dentry, struct qstr *a, struct qst
 
 static void isofs_put_super(struct super_block *sb)
 {
+	struct isofs_sb_info *sbi = ISOFS_SB(sb);
 #ifdef CONFIG_JOLIET
-	if (sb->u.isofs_sb.s_nls_iocharset) {
-		unload_nls(sb->u.isofs_sb.s_nls_iocharset);
-		sb->u.isofs_sb.s_nls_iocharset = NULL;
+	if (sbi->s_nls_iocharset) {
+		unload_nls(sbi->s_nls_iocharset);
+		sbi->s_nls_iocharset = NULL;
 	}
 #endif
 
@@ -72,6 +73,8 @@ static void isofs_put_super(struct super_block *sb)
 	       check_malloc, check_bread);
 #endif
 
+	kfree(sbi);
+	sb->u.generic_sbp = NULL;
 	return;
 }
 
@@ -518,7 +521,6 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 	struct iso_supplementary_descriptor *sec = NULL;
 	struct iso_directory_record   * rootp;
 	int				joliet_level = 0;
-	int				high_sierra;
 	int				iso_blknum, block;
 	int				orig_zonesize;
 	int				table;
@@ -526,9 +528,16 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 	unsigned long			first_data_zone;
 	struct inode		      * inode;
 	struct iso9660_options		opt;
+	struct isofs_sb_info	      * sbi;
+
+	sbi = kmalloc(sizeof(struct isofs_sb_info), GFP_KERNEL);
+	if (!sbi)
+		return -ENOMEM;
+	s->u.generic_sbp = sbi;
+	memset(sbi, 0, sizeof(struct isofs_sb_info));
 
 	if (!parse_options((char *) data, &opt))
-		goto out_unlock;
+		goto out_freesbi;
 
 #if 0
 	printk("map = %c\n", opt.map);
@@ -554,7 +563,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 	 */
 	opt.blocksize = sb_min_blocksize(s, opt.blocksize);
 
-	s->u.isofs_sb.s_high_sierra = high_sierra = 0; /* default is iso9660 */
+	sbi->s_high_sierra = 0; /* default is iso9660 */
 
 	vol_desc_start = (opt.sbsector != -1) ?
 		opt.sbsector : isofs_get_last_session(s,opt.session);
@@ -614,8 +623,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 		    if (isonum_711 (hdp->type) != ISO_VD_PRIMARY)
 		        goto out_freebh;
 		
-		    s->u.isofs_sb.s_high_sierra = 1;
-		    high_sierra = 1;
+		    sbi->s_high_sierra = 1;
 		    opt.rock = 'n';
 		    h_pri = (struct hs_primary_descriptor *)vdp;
 		    goto root_found;
@@ -646,29 +654,29 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 	    pri = (struct iso_primary_descriptor *) sec;
 	}
 
-	if(high_sierra){
+	if(sbi->s_high_sierra){
 	  rootp = (struct iso_directory_record *) h_pri->root_directory_record;
 #ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
 	  if (isonum_723 (h_pri->volume_set_size) != 1)
 		goto out_no_support;
 #endif /* IGNORE_WRONG_MULTI_VOLUME_SPECS */
-	  s->u.isofs_sb.s_nzones = isonum_733 (h_pri->volume_space_size);
-	  s->u.isofs_sb.s_log_zone_size = isonum_723 (h_pri->logical_block_size);
-	  s->u.isofs_sb.s_max_size = isonum_733(h_pri->volume_space_size);
+	  sbi->s_nzones = isonum_733 (h_pri->volume_space_size);
+	  sbi->s_log_zone_size = isonum_723 (h_pri->logical_block_size);
+	  sbi->s_max_size = isonum_733(h_pri->volume_space_size);
 	} else {
 	  rootp = (struct iso_directory_record *) pri->root_directory_record;
 #ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
 	  if (isonum_723 (pri->volume_set_size) != 1)
 		goto out_no_support;
 #endif /* IGNORE_WRONG_MULTI_VOLUME_SPECS */
-	  s->u.isofs_sb.s_nzones = isonum_733 (pri->volume_space_size);
-	  s->u.isofs_sb.s_log_zone_size = isonum_723 (pri->logical_block_size);
-	  s->u.isofs_sb.s_max_size = isonum_733(pri->volume_space_size);
+	  sbi->s_nzones = isonum_733 (pri->volume_space_size);
+	  sbi->s_log_zone_size = isonum_723 (pri->logical_block_size);
+	  sbi->s_max_size = isonum_733(pri->volume_space_size);
 	}
 
-	s->u.isofs_sb.s_ninodes = 0; /* No way to figure this out easily */
+	sbi->s_ninodes = 0; /* No way to figure this out easily */
 
-	orig_zonesize = s -> u.isofs_sb.s_log_zone_size;
+	orig_zonesize = sbi->s_log_zone_size;
 	/*
 	 * If the zone size is smaller than the hardware sector size,
 	 * this is a fatal error.  This would occur if the disc drive
@@ -680,10 +688,10 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 		goto out_bad_size;
 
 	/* RDE: convert log zone size to bit shift */
-	switch (s -> u.isofs_sb.s_log_zone_size)
-	  { case  512: s -> u.isofs_sb.s_log_zone_size =  9; break;
-	    case 1024: s -> u.isofs_sb.s_log_zone_size = 10; break;
-	    case 2048: s -> u.isofs_sb.s_log_zone_size = 11; break;
+	switch (sbi->s_log_zone_size)
+	  { case  512: sbi->s_log_zone_size =  9; break;
+	    case 1024: sbi->s_log_zone_size = 10; break;
+	    case 2048: sbi->s_log_zone_size = 11; break;
 
 	    default:
 		goto out_bad_zone_size;
@@ -705,16 +713,16 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 
 	first_data_zone = ((isonum_733 (rootp->extent) +
 			  isonum_711 (rootp->ext_attr_length))
-			 << s -> u.isofs_sb.s_log_zone_size);
-	s->u.isofs_sb.s_firstdatazone = first_data_zone;
+			 << sbi->s_log_zone_size);
+	sbi->s_firstdatazone = first_data_zone;
 #ifndef BEQUIET
 	printk(KERN_DEBUG "Max size:%ld   Log zone size:%ld\n",
-	       s->u.isofs_sb.s_max_size,
-	       1UL << s->u.isofs_sb.s_log_zone_size);
+	       sbi->s_max_size,
+	       1UL << sbi->s_log_zone_size);
 	printk(KERN_DEBUG "First datazone:%ld   Root inode number:%ld\n",
-	       s->u.isofs_sb.s_firstdatazone >> s -> u.isofs_sb.s_log_zone_size,
-	       s->u.isofs_sb.s_firstdatazone);
-	if(high_sierra)
+	       sbi->s_firstdatazone >> sbi->s_log_zone_size,
+	       sbi->s_firstdatazone);
+	if(sbi->s_high_sierra)
 		printk(KERN_DEBUG "Disc in High Sierra format.\n");
 #endif
 
@@ -732,7 +740,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 			pri->root_directory_record;
 		first_data_zone = ((isonum_733 (rootp->extent) +
 			  	isonum_711 (rootp->ext_attr_length))
-				 << s -> u.isofs_sb.s_log_zone_size);
+				 << sbi->s_log_zone_size);
 	}
 
 	/*
@@ -761,43 +769,43 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 	 */
 	sb_set_blocksize(s, orig_zonesize);
 
-	s->u.isofs_sb.s_nls_iocharset = NULL;
+	sbi->s_nls_iocharset = NULL;
 
 #ifdef CONFIG_JOLIET
 	if (joliet_level && opt.utf8 == 0) {
 		char * p = opt.iocharset ? opt.iocharset : "iso8859-1";
-		s->u.isofs_sb.s_nls_iocharset = load_nls(p);
-		if (! s->u.isofs_sb.s_nls_iocharset) {
+		sbi->s_nls_iocharset = load_nls(p);
+		if (! sbi->s_nls_iocharset) {
 			/* Fail only if explicit charset specified */
 			if (opt.iocharset)
-				goto out_unlock;
-			s->u.isofs_sb.s_nls_iocharset = load_nls_default();
+				goto out_freesbi;
+			sbi->s_nls_iocharset = load_nls_default();
 		}
 	}
 #endif
 	s->s_op = &isofs_sops;
-	s->u.isofs_sb.s_mapping = opt.map;
-	s->u.isofs_sb.s_rock = (opt.rock == 'y' ? 2 : 0);
-	s->u.isofs_sb.s_rock_offset = -1; /* initial offset, will guess until SP is found*/
-	s->u.isofs_sb.s_cruft = opt.cruft;
-	s->u.isofs_sb.s_unhide = opt.unhide;
-	s->u.isofs_sb.s_uid = opt.uid;
-	s->u.isofs_sb.s_gid = opt.gid;
-	s->u.isofs_sb.s_utf8 = opt.utf8;
-	s->u.isofs_sb.s_nocompress = opt.nocompress;
+	sbi->s_mapping = opt.map;
+	sbi->s_rock = (opt.rock == 'y' ? 2 : 0);
+	sbi->s_rock_offset = -1; /* initial offset, will guess until SP is found*/
+	sbi->s_cruft = opt.cruft;
+	sbi->s_unhide = opt.unhide;
+	sbi->s_uid = opt.uid;
+	sbi->s_gid = opt.gid;
+	sbi->s_utf8 = opt.utf8;
+	sbi->s_nocompress = opt.nocompress;
 	/*
 	 * It would be incredibly stupid to allow people to mark every file
 	 * on the disk as suid, so we merely allow them to set the default
 	 * permissions.
 	 */
-	s->u.isofs_sb.s_mode = opt.mode & 0777;
+	sbi->s_mode = opt.mode & 0777;
 
 	/*
 	 * Read the root inode, which _may_ result in changing
 	 * the s_rock flag. Once we have the final s_rock value,
 	 * we then decide whether to use the Joliet descriptor.
 	 */
-	inode = iget(s, s->u.isofs_sb.s_firstdatazone);
+	inode = iget(s, sbi->s_firstdatazone);
 
 	/*
 	 * If this disk has both Rock Ridge and Joliet on it, then we
@@ -807,16 +815,16 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 	 * CD with Unicode names.  Until someone sees such a beast, it
 	 * will not be supported.
 	 */
-	if (s->u.isofs_sb.s_rock == 1) {
+	if (sbi->s_rock == 1) {
 		joliet_level = 0;
 	} else if (joliet_level) {
-		s->u.isofs_sb.s_rock = 0;
-		if (s->u.isofs_sb.s_firstdatazone != first_data_zone) {
-			s->u.isofs_sb.s_firstdatazone = first_data_zone;
+		sbi->s_rock = 0;
+		if (sbi->s_firstdatazone != first_data_zone) {
+			sbi->s_firstdatazone = first_data_zone;
 			printk(KERN_DEBUG 
 				"ISOFS: changing to secondary root\n");
 			iput(inode);
-			inode = iget(s, s->u.isofs_sb.s_firstdatazone);
+			inode = iget(s, sbi->s_firstdatazone);
 		}
 	}
 
@@ -825,7 +833,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 		if (joliet_level) opt.check = 'r';
 		else opt.check = 's';
 	}
-	s->u.isofs_sb.s_joliet_level = joliet_level;
+	sbi->s_joliet_level = joliet_level;
 
 	/* check the root inode */
 	if (!inode)
@@ -855,18 +863,18 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 out_iput:
 	iput(inode);
 #ifdef CONFIG_JOLIET
-	if (s->u.isofs_sb.s_nls_iocharset)
-		unload_nls(s->u.isofs_sb.s_nls_iocharset);
+	if (sbi->s_nls_iocharset)
+		unload_nls(sbi->s_nls_iocharset);
 #endif
-	goto out_unlock;
+	goto out_freesbi;
 out_no_read:
 	printk(KERN_WARNING "isofs_fill_super: "
 		"bread failed, dev=%s, iso_blknum=%d, block=%d\n",
 		s->s_id, iso_blknum, block);
-	goto out_unlock;
+	goto out_freesbi;
 out_bad_zone_size:
 	printk(KERN_WARNING "Bad logical zone size %ld\n",
-		s->u.isofs_sb.s_log_zone_size);
+		sbi->s_log_zone_size);
 	goto out_freebh;
 out_bad_size:
 	printk(KERN_WARNING "Logical zone size(%d) < hardware blocksize(%u)\n",
@@ -883,7 +891,9 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
 
 out_freebh:
 	brelse(bh);
-out_unlock:
+out_freesbi:
+	kfree(sbi);
+	s->u.generic_sbp = NULL;
 	return -EINVAL;
 }
 
@@ -891,11 +901,11 @@ static int isofs_statfs (struct super_block *sb, struct statfs *buf)
 {
 	buf->f_type = ISOFS_SUPER_MAGIC;
 	buf->f_bsize = sb->s_blocksize;
-	buf->f_blocks = (sb->u.isofs_sb.s_nzones
-                  << (sb->u.isofs_sb.s_log_zone_size - sb->s_blocksize_bits));
+	buf->f_blocks = (ISOFS_SB(sb)->s_nzones
+                  << (ISOFS_SB(sb)->s_log_zone_size - sb->s_blocksize_bits));
 	buf->f_bfree = 0;
 	buf->f_bavail = 0;
-	buf->f_files = sb->u.isofs_sb.s_ninodes;
+	buf->f_files = ISOFS_SB(sb)->s_ninodes;
 	buf->f_ffree = 0;
 	buf->f_namelen = NAME_MAX;
 	return 0;
@@ -1058,7 +1068,7 @@ static int isofs_read_level3_size(struct inode * inode)
 {
 	unsigned long f_pos = inode->i_ino;
 	unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
-	int high_sierra = inode->i_sb->u.isofs_sb.s_high_sierra;
+	int high_sierra = ISOFS_SB(inode->i_sb)->s_high_sierra;
 	struct buffer_head * bh = NULL;
 	unsigned long block, offset;
 	int i = 0;
@@ -1157,9 +1167,10 @@ static int isofs_read_level3_size(struct inode * inode)
 static void isofs_read_inode(struct inode * inode)
 {
 	struct super_block *sb = inode->i_sb;
+	struct isofs_sb_info *sbi = ISOFS_SB(sb);
 	unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
 	int block = inode->i_ino >> ISOFS_BUFFER_BITS(inode);
-	int high_sierra = sb->u.isofs_sb.s_high_sierra;
+	int high_sierra = sbi->s_high_sierra;
 	struct buffer_head * bh = NULL;
 	struct iso_directory_record * de;
 	struct iso_directory_record * tmpde = NULL;
@@ -1205,7 +1216,7 @@ static void isofs_read_inode(struct inode * inode)
 				       do it the hard way. */
 	} else {
  		/* Everybody gets to read the file. */
-		inode->i_mode = inode->i_sb->u.isofs_sb.s_mode;
+		inode->i_mode = sbi->s_mode;
 		inode->i_nlink = 1;
 	        inode->i_mode |= S_IFREG;
 		/* If there are no periods in the name,
@@ -1217,8 +1228,8 @@ static void isofs_read_inode(struct inode * inode)
 		if(i == de->name_len[0] || de->name[i] == ';')
 			inode->i_mode |= S_IXUGO; /* execute permission */
 	}
-	inode->i_uid = inode->i_sb->u.isofs_sb.s_uid;
-	inode->i_gid = inode->i_sb->u.isofs_sb.s_gid;
+	inode->i_uid = sbi->s_uid;
+	inode->i_gid = sbi->s_gid;
 	inode->i_blocks = inode->i_blksize = 0;
 
 	ei->i_format_parm[0] = 0;
@@ -1241,10 +1252,10 @@ static void isofs_read_inode(struct inode * inode)
 	 *	    legal. Do not prevent to use DVD's schilling@fokus.gmd.de
 	 */
 	if ((inode->i_size < 0 || inode->i_size > 0x7FFFFFFE) &&
-	    inode->i_sb->u.isofs_sb.s_cruft == 'n') {
+	    sbi->s_cruft == 'n') {
 		printk(KERN_WARNING "Warning: defective CD-ROM.  "
 		       "Enabling \"cruft\" mount option.\n");
-		inode->i_sb->u.isofs_sb.s_cruft = 'y';
+		sbi->s_cruft = 'y';
 	}
 
 	/*
@@ -1254,7 +1265,7 @@ static void isofs_read_inode(struct inode * inode)
 	 * on the CDROM.
 	 */
 
-	if (inode->i_sb->u.isofs_sb.s_cruft == 'y' &&
+	if (sbi->s_cruft == 'y' &&
 	    inode->i_size & 0xff000000) {
 		inode->i_size &= 0x00ffffff;
 	}
@@ -1298,8 +1309,8 @@ static void isofs_read_inode(struct inode * inode)
 	if (!high_sierra) {
 		parse_rock_ridge_inode(de, inode);
 		/* if we want uid/gid set, override the rock ridge setting */
-		test_and_set_uid(&inode->i_uid, inode->i_sb->u.isofs_sb.s_uid);
-		test_and_set_gid(&inode->i_gid, inode->i_sb->u.isofs_sb.s_gid);
+		test_and_set_uid(&inode->i_uid, sbi->s_uid);
+		test_and_set_gid(&inode->i_gid, sbi->s_gid);
 	}
 
 	/* get the volume sequence number */
@@ -1311,17 +1322,17 @@ static void isofs_read_inode(struct inode * inode)
 	 * of which is limiting the file size to 16Mb.  Thus we silently allow
 	 * volume numbers of 0 to go through without complaining.
 	 */
-	if (inode->i_sb->u.isofs_sb.s_cruft == 'n' &&
+	if (sbi->s_cruft == 'n' &&
 	    (volume_seq_no != 0) && (volume_seq_no != 1)) {
 		printk(KERN_WARNING "Warning: defective CD-ROM "
 		       "(volume sequence number %d). "
 		       "Enabling \"cruft\" mount option.\n", volume_seq_no);
-		inode->i_sb->u.isofs_sb.s_cruft = 'y';
+		sbi->s_cruft = 'y';
 	}
 
 	/* Install the inode operations vector */
 #ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
-	if (inode->i_sb->u.isofs_sb.s_cruft != 'y' &&
+	if (sbi->s_cruft != 'y' &&
 	    (volume_seq_no != 0) && (volume_seq_no != 1)) {
 		printk(KERN_WARNING "Multi-volume CD somehow got mounted.\n");
 	} else

fs/isofs/joliet.c

@@ -77,8 +77,8 @@ get_joliet_filename(struct iso_directory_record * de, unsigned char *outname, st
 	struct nls_table *nls;
 	unsigned char len = 0;
 
-	utf8 = inode->i_sb->u.isofs_sb.s_utf8;
-	nls = inode->i_sb->u.isofs_sb.s_nls_iocharset;
+	utf8 = ISOFS_SB(inode->i_sb)->s_utf8;
+	nls = ISOFS_SB(inode->i_sb)->s_nls_iocharset;
 
 	if (utf8) {
 		len = wcsntombs_be(outname, de->name,

fs/isofs/namei.c

@@ -65,6 +65,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
 	unsigned char bufbits = ISOFS_BUFFER_BITS(dir);
 	unsigned int block, f_pos, offset;
 	struct buffer_head * bh = NULL;
+	struct isofs_sb_info *sbi = ISOFS_SB(dir->i_sb);
 
 	if (!ISOFS_I(dir)->i_first_extent)
 		return 0;
@@ -120,19 +121,19 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
 		dlen = de->name_len[0];
 		dpnt = de->name;
 
-		if (dir->i_sb->u.isofs_sb.s_rock &&
+		if (sbi->s_rock &&
 		    ((i = get_rock_ridge_filename(de, tmpname, dir)))) {
 			dlen = i; 	/* possibly -1 */
 			dpnt = tmpname;
 #ifdef CONFIG_JOLIET
-		} else if (dir->i_sb->u.isofs_sb.s_joliet_level) {
+		} else if (sbi->s_joliet_level) {
 			dlen = get_joliet_filename(de, tmpname, dir);
 			dpnt = tmpname;
 #endif
-		} else if (dir->i_sb->u.isofs_sb.s_mapping == 'a') {
+		} else if (sbi->s_mapping == 'a') {
 			dlen = get_acorn_filename(de, tmpname, dir);
 			dpnt = tmpname;
-		} else if (dir->i_sb->u.isofs_sb.s_mapping == 'n') {
+		} else if (sbi->s_mapping == 'n') {
 			dlen = isofs_name_translate(de, tmpname, dir);
 			dpnt = tmpname;
 		}
@@ -142,8 +143,8 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
 		 */
 		match = 0;
 		if (dlen > 0 &&
-		    (!(de->flags[-dir->i_sb->u.isofs_sb.s_high_sierra] & 5)
-		     || dir->i_sb->u.isofs_sb.s_unhide == 'y'))
+		    (!(de->flags[-sbi->s_high_sierra] & 5)
+		     || sbi->s_unhide == 'y'))
 		{
 			match = (isofs_cmp(dentry,dpnt,dlen) == 0);
 		}

fs/isofs/rock.c

@@ -32,7 +32,7 @@
 #define CHECK_SP(FAIL)	       			\
       if(rr->u.SP.magic[0] != 0xbe) FAIL;	\
       if(rr->u.SP.magic[1] != 0xef) FAIL;       \
-      inode->i_sb->u.isofs_sb.s_rock_offset=rr->u.SP.skip;
+      ISOFS_SB(inode->i_sb)->s_rock_offset=rr->u.SP.skip;
 /* We define a series of macros because each function must do exactly the
    same thing in certain places.  We use the macros to ensure that everything
    is done correctly */
@@ -51,10 +51,10 @@
   if(LEN & 1) LEN++;						\
   CHR = ((unsigned char *) DE) + LEN;				\
   LEN = *((unsigned char *) DE) - LEN;                          \
-  if (inode->i_sb->u.isofs_sb.s_rock_offset!=-1)                \
+  if (ISOFS_SB(inode->i_sb)->s_rock_offset!=-1)                \
   {                                                             \
-     LEN-=inode->i_sb->u.isofs_sb.s_rock_offset;                \
-     CHR+=inode->i_sb->u.isofs_sb.s_rock_offset;                \
+     LEN-=ISOFS_SB(inode->i_sb)->s_rock_offset;                \
+     CHR+=ISOFS_SB(inode->i_sb)->s_rock_offset;                \
      if (LEN<0) LEN=0;                                          \
   }                                                             \
 }                                     
@@ -102,7 +102,7 @@ int find_rock_ridge_relocation(struct iso_directory_record * de,
   /* Return value if we do not find appropriate record. */
   retval = isonum_733 (de->extent);
   
-  if (!inode->i_sb->u.isofs_sb.s_rock) return retval;
+  if (!ISOFS_SB(inode->i_sb)->s_rock) return retval;
 
   SETUP_ROCK_RIDGE(de, chr, len);
  repeat:
@@ -162,7 +162,7 @@ int get_rock_ridge_filename(struct iso_directory_record * de,
   CONTINUE_DECLS;
   int retnamlen = 0, truncate=0;
  
-  if (!inode->i_sb->u.isofs_sb.s_rock) return 0;
+  if (!ISOFS_SB(inode->i_sb)->s_rock) return 0;
   *retname = 0;
 
   SETUP_ROCK_RIDGE(de, chr, len);
@@ -234,7 +234,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
   int symlink_len = 0;
   CONTINUE_DECLS;
 
-  if (!inode->i_sb->u.isofs_sb.s_rock) return 0;
+  if (!ISOFS_SB(inode->i_sb)->s_rock) return 0;
 
   SETUP_ROCK_RIDGE(de, chr, len);
   if (regard_xa)
@@ -272,7 +272,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
 	CHECK_CE;
 	break;
       case SIG('E','R'):
-	inode->i_sb->u.isofs_sb.s_rock = 1;
+	ISOFS_SB(inode->i_sb)->s_rock = 1;
 	printk(KERN_DEBUG "ISO 9660 Extensions: ");
 	{ int p;
 	  for(p=0;p<rr->u.ER.len_id;p++) printk("%c",rr->u.ER.data[p]);
@@ -368,7 +368,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
 	ISOFS_I(inode)->i_first_extent = isonum_733(rr->u.CL.location);
 	reloc = iget(inode->i_sb,
 		     (ISOFS_I(inode)->i_first_extent <<
-		      inode -> i_sb -> u.isofs_sb.s_log_zone_size));
+		      ISOFS_SB(inode->i_sb)->s_log_zone_size));
 	if (!reloc)
 		goto out;
 	inode->i_mode = reloc->i_mode;
@@ -385,7 +385,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
 	break;
 #ifdef CONFIG_ZISOFS
       case SIG('Z','F'):
-	      if ( !inode->i_sb->u.isofs_sb.s_nocompress ) {
+	      if ( !ISOFS_SB(inode->i_sb)->s_nocompress ) {
 		      int algo;
 		      algo = isonum_721(rr->u.ZF.algorithm);
 		      if ( algo == SIG('p','z') ) {
@@ -478,8 +478,8 @@ int parse_rock_ridge_inode(struct iso_directory_record * de,
    int result=parse_rock_ridge_inode_internal(de,inode,0);
    /* if rockridge flag was reset and we didn't look for attributes
     * behind eventual XA attributes, have a look there */
-   if ((inode->i_sb->u.isofs_sb.s_rock_offset==-1)
-       &&(inode->i_sb->u.isofs_sb.s_rock==2))
+   if ((ISOFS_SB(inode->i_sb)->s_rock_offset==-1)
+       &&(ISOFS_SB(inode->i_sb)->s_rock==2))
      {
 	result=parse_rock_ridge_inode_internal(de,inode,14);
      };
@@ -506,7 +506,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
 	unsigned char *chr;
 	struct rock_ridge *rr;
 
-	if (!inode->i_sb->u.isofs_sb.s_rock)
+	if (!ISOFS_SB(inode->i_sb)->s_rock)
 		panic ("Cannot have symlink with high sierra variant of iso filesystem\n");
 
 	block = inode->i_ino >> bufbits;

fs/super.c

@@ -25,235 +25,16 @@
 #include <linux/locks.h>
 #include <linux/smp_lock.h>
 #include <linux/devfs_fs_kernel.h>
-#include <linux/major.h>
 #include <linux/acct.h>
-
 #include <asm/uaccess.h>
 
-#include <linux/kmod.h>
-#define __NO_VERSION__
-#include <linux/module.h>
+void get_filesystem(struct file_system_type *fs);
+void put_filesystem(struct file_system_type *fs);
+struct file_system_type *get_fs_type(const char *name);
 
 LIST_HEAD(super_blocks);
 spinlock_t sb_lock = SPIN_LOCK_UNLOCKED;
 
-/*
- * Handling of filesystem drivers list.
- * Rules:
- *	Inclusion to/removals from/scanning of list are protected by spinlock.
- *	During the unload module must call unregister_filesystem().
- *	We can access the fields of list element if:
- *		1) spinlock is held or
- *		2) we hold the reference to the module.
- *	The latter can be guaranteed by call of try_inc_mod_count(); if it
- *	returned 0 we must skip the element, otherwise we got the reference.
- *	Once the reference is obtained we can drop the spinlock.
- */
-
-static struct file_system_type *file_systems;
-static rwlock_t file_systems_lock = RW_LOCK_UNLOCKED;
-
-/* WARNING: This can be used only if we _already_ own a reference */
-static void get_filesystem(struct file_system_type *fs)
-{
-	if (fs->owner)
-		__MOD_INC_USE_COUNT(fs->owner);
-}
-
-static void put_filesystem(struct file_system_type *fs)
-{
-	if (fs->owner)
-		__MOD_DEC_USE_COUNT(fs->owner);
-}
-
-static struct file_system_type **find_filesystem(const char *name)
-{
-	struct file_system_type **p;
-	for (p=&file_systems; *p; p=&(*p)->next)
-		if (strcmp((*p)->name,name) == 0)
-			break;
-	return p;
-}
-
-/**
- *	register_filesystem - register a new filesystem
- *	@fs: the file system structure
- *
- *	Adds the file system passed to the list of file systems the kernel
- *	is aware of for mount and other syscalls. Returns 0 on success,
- *	or a negative errno code on an error.
- *
- *	The &struct file_system_type that is passed is linked into the kernel 
- *	structures and must not be freed until the file system has been
- *	unregistered.
- */
- 
-int register_filesystem(struct file_system_type * fs)
-{
-	int res = 0;
-	struct file_system_type ** p;
-
-	if (!fs)
-		return -EINVAL;
-	if (fs->next)
-		return -EBUSY;
-	INIT_LIST_HEAD(&fs->fs_supers);
-	write_lock(&file_systems_lock);
-	p = find_filesystem(fs->name);
-	if (*p)
-		res = -EBUSY;
-	else
-		*p = fs;
-	write_unlock(&file_systems_lock);
-	return res;
-}
-
-/**
- *	unregister_filesystem - unregister a file system
- *	@fs: filesystem to unregister
- *
- *	Remove a file system that was previously successfully registered
- *	with the kernel. An error is returned if the file system is not found.
- *	Zero is returned on a success.
- *	
- *	Once this function has returned the &struct file_system_type structure
- *	may be freed or reused.
- */
- 
-int unregister_filesystem(struct file_system_type * fs)
-{
-	struct file_system_type ** tmp;
-
-	write_lock(&file_systems_lock);
-	tmp = &file_systems;
-	while (*tmp) {
-		if (fs == *tmp) {
-			*tmp = fs->next;
-			fs->next = NULL;
-			write_unlock(&file_systems_lock);
-			return 0;
-		}
-		tmp = &(*tmp)->next;
-	}
-	write_unlock(&file_systems_lock);
-	return -EINVAL;
-}
-
-static int fs_index(const char * __name)
-{
-	struct file_system_type * tmp;
-	char * name;
-	int err, index;
-
-	name = getname(__name);
-	err = PTR_ERR(name);
-	if (IS_ERR(name))
-		return err;
-
-	err = -EINVAL;
-	read_lock(&file_systems_lock);
-	for (tmp=file_systems, index=0 ; tmp ; tmp=tmp->next, index++) {
-		if (strcmp(tmp->name,name) == 0) {
-			err = index;
-			break;
-		}
-	}
-	read_unlock(&file_systems_lock);
-	putname(name);
-	return err;
-}
-
-static int fs_name(unsigned int index, char * buf)
-{
-	struct file_system_type * tmp;
-	int len, res;
-
-	read_lock(&file_systems_lock);
-	for (tmp = file_systems; tmp; tmp = tmp->next, index--)
-		if (index <= 0 && try_inc_mod_count(tmp->owner))
-				break;
-	read_unlock(&file_systems_lock);
-	if (!tmp)
-		return -EINVAL;
-
-	/* OK, we got the reference, so we can safely block */
-	len = strlen(tmp->name) + 1;
-	res = copy_to_user(buf, tmp->name, len) ? -EFAULT : 0;
-	put_filesystem(tmp);
-	return res;
-}
-
-static int fs_maxindex(void)
-{
-	struct file_system_type * tmp;
-	int index;
-
-	read_lock(&file_systems_lock);
-	for (tmp = file_systems, index = 0 ; tmp ; tmp = tmp->next, index++)
-		;
-	read_unlock(&file_systems_lock);
-	return index;
-}
-
-/*
- * Whee.. Weird sysv syscall. 
- */
-asmlinkage long sys_sysfs(int option, unsigned long arg1, unsigned long arg2)
-{
-	int retval = -EINVAL;
-
-	switch (option) {
-		case 1:
-			retval = fs_index((const char *) arg1);
-			break;
-
-		case 2:
-			retval = fs_name(arg1, (char *) arg2);
-			break;
-
-		case 3:
-			retval = fs_maxindex();
-			break;
-	}
-	return retval;
-}
-
-int get_filesystem_list(char * buf)
-{
-	int len = 0;
-	struct file_system_type * tmp;
-
-	read_lock(&file_systems_lock);
-	tmp = file_systems;
-	while (tmp && len < PAGE_SIZE - 80) {
-		len += sprintf(buf+len, "%s\t%s\n",
-			(tmp->fs_flags & FS_REQUIRES_DEV) ? "" : "nodev",
-			tmp->name);
-		tmp = tmp->next;
-	}
-	read_unlock(&file_systems_lock);
-	return len;
-}
-
-struct file_system_type *get_fs_type(const char *name)
-{
-	struct file_system_type *fs;
-	
-	read_lock(&file_systems_lock);
-	fs = *(find_filesystem(name));
-	if (fs && !try_inc_mod_count(fs->owner))
-		fs = NULL;
-	read_unlock(&file_systems_lock);
-	if (!fs && (request_module(name) == 0)) {
-		read_lock(&file_systems_lock);
-		fs = *(find_filesystem(name));
-		if (fs && !try_inc_mod_count(fs->owner))
-			fs = NULL;
-		read_unlock(&file_systems_lock);
-	}
-	return fs;
-}
-
 /**
  *	alloc_super	-	create new superblock
  *

fs/udf/super.c

@@ -1413,12 +1413,17 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	struct inode *inode=NULL;
 	struct udf_options uopt;
 	lb_addr rootdir, fileset;
+	struct udf_sb_info *sbi;
 
 	uopt.flags = (1 << UDF_FLAG_USE_AD_IN_ICB) | (1 << UDF_FLAG_STRICT);
 	uopt.uid = -1;
 	uopt.gid = -1;
 	uopt.umask = 0;
 
+	sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
+	if (!sbi)
+		return -ENOMEM;
+	sb->u.generic_sbp = sbi;
 	memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info));
 
 #if UDFFS_RW != 1
@@ -1607,6 +1612,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 		udf_close_lvid(sb);
 	udf_release_data(UDF_SB_LVIDBH(sb));
 	UDF_SB_FREE(sb);
+	kfree(sbi);
+	sb->u.generic_sbp = NULL;
 	return -EINVAL;
 }
 
@@ -1697,6 +1704,8 @@ udf_put_super(struct super_block *sb)
 		udf_close_lvid(sb);
 	udf_release_data(UDF_SB_LVIDBH(sb));
 	UDF_SB_FREE(sb);
+	kfree(sb->u.generic_sbp);
+	sb->u.generic_sbp = NULL;
 }
 
 /*

fs/udf/udf_sb.h

@@ -30,6 +30,11 @@
 #define UDF_PART_FLAG_REWRITABLE	0x0040
 #define UDF_PART_FLAG_OVERWRITABLE	0x0080
 
+static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
+{
+	return sb->u.generic_sbp;
+}
+
 #define UDF_SB_FREE(X)\
 {\
 	if (UDF_SB(X))\
@@ -39,7 +44,6 @@
 		UDF_SB_PARTMAPS(X) = NULL;\
 	}\
 }
-#define UDF_SB(X)	(&((X)->u.udf_sb))
 
 #define UDF_SB_ALLOC_PARTMAPS(X,Y)\
 {\

fs/udf/udfdecl.h

@@ -8,6 +8,8 @@
 #include <linux/fs.h>
 #include <linux/config.h>
 #include <linux/types.h>
+#include <linux/udf_fs_i.h>
+#include <linux/udf_fs_sb.h>
 
 #ifndef LINUX_VERSION_CODE
 #include <linux/version.h>
@@ -15,8 +17,6 @@
 
 #if !defined(CONFIG_UDF_FS) && !defined(CONFIG_UDF_FS_MODULE)
 #define CONFIG_UDF_FS_MODULE
-#include <linux/udf_fs_i.h>
-#include <linux/udf_fs_sb.h>
 #endif
 
 #include "udfend.h"

include/asm-ppc/siginfo.h

@@ -99,7 +99,6 @@ typedef struct siginfo {
 
 /*
  * si_code values
- * Digital reserves positive values for kernel-generated signals.
  */
 #define SI_USER		0		/* sent by kill, sigsend, raise */
 #define SI_KERNEL	0x80		/* sent by the kernel from somewhere */
@@ -109,6 +108,7 @@ typedef struct siginfo {
 #define SI_ASYNCIO	-4		/* sent by AIO completion */
 #define SI_SIGIO	-5		/* sent by queued SIGIO */
 #define SI_TKILL	-6		/* sent by tkill system call */
+#define SI_DETHREAD	-7		/* sent by execve() killing subsidiary threads */
 
 #define SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
 #define SI_FROMKERNEL(siptr)	((siptr)->si_code > 0)

include/asm-ppc/thread_info.h

@@ -22,6 +22,7 @@ struct thread_info {
 	struct exec_domain	*exec_domain;	/* execution domain */
 	unsigned long		flags;		/* low level flags */
 	int			cpu;		/* cpu we're on */
+	int			preempt_count;	/* not used at present */
 };
 
 /*

include/linux/fs.h

@@ -648,7 +648,6 @@ struct quota_mount_options
 #include <linux/ext3_fs_sb.h>
 #include <linux/hpfs_fs_sb.h>
 #include <linux/ntfs_fs_sb.h>
-#include <linux/iso_fs_sb.h>
 #include <linux/sysv_fs_sb.h>
 #include <linux/affs_fs_sb.h>
 #include <linux/ufs_fs_sb.h>
@@ -657,7 +656,6 @@ struct quota_mount_options
 #include <linux/adfs_fs_sb.h>
 #include <linux/reiserfs_fs_sb.h>
 #include <linux/bfs_fs_sb.h>
-#include <linux/udf_fs_sb.h>
 
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
@@ -696,7 +694,6 @@ struct super_block {
 		struct ext3_sb_info	ext3_sb;
 		struct hpfs_sb_info	hpfs_sb;
 		struct ntfs_sb_info	ntfs_sb;
-		struct isofs_sb_info	isofs_sb;
 		struct sysv_sb_info	sysv_sb;
 		struct affs_sb_info	affs_sb;
 		struct ufs_sb_info	ufs_sb;
@@ -706,7 +703,6 @@ struct super_block {
 		struct adfs_sb_info	adfs_sb;
 		struct reiserfs_sb_info	reiserfs_sb;
 		struct bfs_sb_info	bfs_sb;
-		struct udf_sb_info	udf_sb;
 		void			*generic_sbp;
 	} u;
 	/*

include/linux/hiddev.h

@@ -119,6 +119,7 @@ struct hiddev_usage_ref {
 	__s32 value;
 };
 
+#define HID_FIELD_INDEX_NONE 0xffffffff
 
 /*
  * Protocol version.
@@ -143,6 +144,15 @@ struct hiddev_usage_ref {
 #define HIDIOCGUSAGE            _IOWR('H', 0x0B, struct hiddev_usage_ref)
 #define HIDIOCSUSAGE            _IOW('H', 0x0C, struct hiddev_usage_ref)
 #define HIDIOCGUCODE            _IOWR('H', 0x0D, struct hiddev_usage_ref)
+#define HIDIOCGFLAG             _IOR('H', 0x0E, int)
+#define HIDIOCSFLAG             _IOW('H', 0x0F, int)
+
+/* 
+ * Flags to be used in HIDIOCSFLAG
+ */
+#define HIDDEV_FLAG_UREF     0x1
+#define HIDDEV_FLAG_REPORT   0x2
+#define HIDDEV_FLAGS         0x3
 
 /* To traverse the input report descriptor info for a HID device, perform the 
  * following:
@@ -179,7 +189,7 @@ struct hiddev_usage_ref {
 #ifdef CONFIG_USB_HIDDEV
 int hiddev_connect(struct hid_device *);
 void hiddev_disconnect(struct hid_device *);
-void hiddev_hid_event(struct hid_device *, unsigned int usage, int value);
+void hiddev_hid_event(struct hid_device *, struct hiddev_usage_ref *ref);
 int __init hiddev_init(void);
 void __exit hiddev_exit(void);
 #else

include/linux/if_wanpipe.h

@@ -122,6 +122,7 @@ struct wanpipe_opt
 	unsigned poll_cnt;
 	unsigned char force;	/* Used to force sock release */
 	atomic_t packet_sent;   
+	unsigned short num; 
 };
 
 #define wp_sk(__sk) ((struct wanpipe_opt *)(__sk)->protinfo)

include/linux/iso_fs.h

@@ -160,7 +160,6 @@ struct iso_directory_record {
 
 #define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
 #define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
-#define ISOFS_ZONE_BITS(INODE)   ((INODE)->i_sb->u.isofs_sb.s_log_zone_size)
 
 #define ISOFS_SUPER_MAGIC 0x9660
 
@@ -171,6 +170,12 @@ struct iso_directory_record {
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
 #include <linux/iso_fs_i.h>
+#include <linux/iso_fs_sb.h>
+
+static inline struct isofs_sb_info *ISOFS_SB(struct super_block *sb)
+{
+	return sb->u.generic_sbp;
+}
 
 static inline struct iso_inode_info *ISOFS_I(struct inode *inode)
 {

net/ipv4/netfilter/ip_conntrack_standalone.c

@@ -38,7 +38,7 @@ MODULE_LICENSE("GPL");
 
 static int kill_proto(const struct ip_conntrack *i, void *data)
 {
-	return (i->tuplehash[IP_CT_DIR_ORIGINAL].dst.protonum == 
+	return (i->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum == 
 			*((u_int8_t *) data));
 }
 

net/wanrouter/af_wanpipe.c

@@ -19,6 +19,7 @@
 *                                      Alan Cox.
 *               X25 socket Author: Jonathan Naylor.
 * ============================================================================
+* Mar 15, 2002  Arnaldo C. Melo  o Use wp_sk()->num, as it isnt anymore in sock
 * Apr 25, 2000  Nenad Corbic     o Added the ability to send zero length packets.
 * Mar 13, 2000  Nenad Corbic	 o Added a tx buffer check via ioctl call.
 * Mar 06, 2000  Nenad Corbic     o Fixed the corrupt sock lcn problem.
@@ -164,11 +165,11 @@ static void dbg_kfree(void * v, int line) {
 
 
 /* List of all wanpipe sockets. */
-struct sock * wanpipe_sklist = NULL;
+struct sock* wanpipe_sklist;
 static rwlock_t wanpipe_sklist_lock = RW_LOCK_UNLOCKED;
 
 atomic_t wanpipe_socks_nr;
-static unsigned long wanpipe_tx_critical=0;
+static unsigned long wanpipe_tx_critical;
 
 #if 0
 /* Private wanpipe socket structures. */
@@ -187,9 +188,9 @@ struct wanpipe_opt
 };
 #endif
 
-static int sk_count=0;
+static int sk_count;
 extern struct proto_ops wanpipe_ops;
-static unsigned long find_free_critical=0;
+static unsigned long find_free_critical;
 
 static void wanpipe_unlink_driver (struct sock *);
 static void wanpipe_link_driver (netdevice_t *,struct sock *sk);
@@ -400,9 +401,9 @@ static int wanpipe_listen_rcv (struct sk_buff *skb,  struct sock *sk)
 	card->u.x.svc_to_dev_map[(chan->lcn%MAX_X25_LCN)] = dev;
 
 	newsk->zapped=0;
-	newsk->num = htons(X25_PROT);
+	newwp->num = htons(X25_PROT);
 
-	if (wanpipe_do_bind(newsk,dev,newsk->num)){
+	if (wanpipe_do_bind(newsk, dev, newwp->num)) {
 		wanpipe_kill_sock_irq (newsk);
 		release_device(dev);
 		return -EINVAL;
@@ -470,7 +471,7 @@ static struct sock *wanpipe_make_new(struct sock *osk)
 	sk->socket      = osk->socket;
 	sk->priority    = osk->priority;
 	sk->protocol    = osk->protocol;
-	sk->num		= osk->num;
+	wp_sk(sk)->num	= wp_sk(osk)->num;
 	sk->rcvbuf      = osk->rcvbuf;
 	sk->sndbuf      = osk->sndbuf;
 	sk->debug       = osk->debug;
@@ -566,9 +567,11 @@ static int wanpipe_sendmsg(struct socket *sock, struct msghdr *msg, int len,
 	if (len < sizeof(x25api_hdr_t))
 		return -EINVAL;
 
+	wp = wp_sk(sk);
+
 	if (saddr == NULL) {
 		ifindex	= sk->bound_dev_if;
-		proto	= sk->num;
+		proto	= wp->num;
 		addr	= NULL;
 
 	}else{
@@ -648,7 +651,6 @@ static int wanpipe_sendmsg(struct socket *sock, struct msghdr *msg, int len,
 	}
 
 	skb_queue_tail(&sk->write_queue,skb);
-	wp = wp_sk(sk);
 	atomic_inc(&wp->packet_sent);
 
 	if (!(test_and_set_bit(0, &wp->timer))){
@@ -998,7 +1000,8 @@ static int wanpipe_release(struct socket *sock, struct socket *peersock)
 	 *	Unhook packet receive handler.
 	 */
 
-	if (sk->num == htons(X25_PROT) && sk->state != WANSOCK_DISCONNECTED && sk->zapped){
+	if (wp->num == htons(X25_PROT) &&
+	    sk->state != WANSOCK_DISCONNECTED && sk->zapped) {
 		netdevice_t *dev = dev_get_by_index(sk->bound_dev_if);
 		wanpipe_common_t *chan;
 		if (dev){
@@ -1206,7 +1209,8 @@ static void wanpipe_kill_sock_timer (unsigned long data)
 	write_unlock(&wanpipe_sklist_lock);
 
 
-	if (sk->num == htons(X25_PROT) && sk->state != WANSOCK_DISCONNECTED){
+	if (wp_sk(sk)->num == htons(X25_PROT) &&
+	    sk->state != WANSOCK_DISCONNECTED){
 		netdevice_t *dev = dev_get_by_index(sk->bound_dev_if);
 		wanpipe_common_t *chan;
 		if (dev){
@@ -1352,6 +1356,7 @@ static void wanpipe_kill_sock_irq (struct sock *sk)
 
 static int wanpipe_do_bind(struct sock *sk, netdevice_t *dev, int protocol)
 {
+	wanpipe_opt *wp = wp_sk(sk);
 	wanpipe_common_t *chan=NULL;
 	int err=0;
 
@@ -1360,7 +1365,7 @@ static int wanpipe_do_bind(struct sock *sk, netdevice_t *dev, int protocol)
 		goto bind_unlock_exit;
 	}
 
-	sk->num = protocol;
+	wp->num = protocol;
 
 	if (protocol == 0){
 		release_device(dev);
@@ -1373,7 +1378,7 @@ static int wanpipe_do_bind(struct sock *sk, netdevice_t *dev, int protocol)
 			chan=dev->priv;
 			sk->state = chan->state;
 
-			if (sk->num == htons(X25_PROT) && 
+			if (wp->num == htons(X25_PROT) && 
 			    sk->state != WANSOCK_DISCONNECTED && 
 			    sk->state != WANSOCK_CONNECTING){
 				DBG_PRINTK(KERN_INFO 
@@ -1388,7 +1393,7 @@ static int wanpipe_do_bind(struct sock *sk, netdevice_t *dev, int protocol)
 			sk->bound_dev_if = dev->ifindex;
 
 			/* X25 Specific option */
-			if (sk->num == htons(X25_PROT))
+			if (wp->num == htons(X25_PROT))
 				wp_sk(sk)->svc = chan->svc;
 
 		} else {
@@ -1421,6 +1426,7 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
 {
 	struct wan_sockaddr_ll *sll = (struct wan_sockaddr_ll*)uaddr;
 	struct sock *sk=sock->sk;
+	wanpipe_opt *wp = wp_sk(sk);
 	netdevice_t *dev = NULL;
 	sdla_t *card=NULL;
 	char name[15];
@@ -1462,7 +1468,7 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
 			return err;
 
 		if (sll->sll_protocol)
-			sk->num = sll->sll_protocol;
+			wp->num = sll->sll_protocol;
 		sk->state = WANSOCK_BIND_LISTEN;
 		return 0;
 
@@ -1509,7 +1515,7 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
 			return -EINVAL;
 	}
 
-	return wanpipe_do_bind(sk, dev, sll->sll_protocol ? : sk->num);
+	return wanpipe_do_bind(sk, dev, sll->sll_protocol ? : wp->num);
 }
 
 /*============================================================
@@ -1613,7 +1619,7 @@ static int wanpipe_create(struct socket *sock, int protocol)
 
 	sk->zapped=0;
 	sk->family = PF_WANPIPE;
-	sk->num = protocol;
+	wp_sk(sk)->num = protocol;
 	sk->state = WANSOCK_DISCONNECTED;
 	sk->ack_backlog = 0;
 	sk->bound_dev_if=0;
@@ -1774,7 +1780,7 @@ static int wanpipe_getname(struct socket *sock, struct sockaddr *uaddr,
 
 	sll->sll_family = AF_WANPIPE;
 	sll->sll_ifindex = sk->bound_dev_if;
-	sll->sll_protocol = sk->num;
+	sll->sll_protocol = wp_sk(sk)->num;
 	dev = dev_get_by_index(sk->bound_dev_if);
 	if (dev) {
 		sll->sll_hatype = dev->type;
@@ -1836,7 +1842,8 @@ static int wanpipe_notifier(struct notifier_block *this, unsigned long msg, void
 			}
 			break;
 		case NETDEV_UP:
-			if (dev->ifindex == sk->bound_dev_if && sk->num && !sk->zapped) {
+			if (dev->ifindex == sk->bound_dev_if &&
+			    po->num && !sk->zapped) {
 				printk(KERN_INFO "wansock: Registering Device: %s\n",
 						dev->name);
 				wanpipe_link_driver(dev,sk);
@@ -2242,7 +2249,7 @@ unsigned int wanpipe_poll(struct file * file, struct socket *sock, poll_table *w
          * where multiple packets can be pending in the socket 
          * transmit queue */
 
-	if (sk->num == htons(X25_PROT)){
+	if (wp_sk(sk)->num == htons(X25_PROT)) {
 		if (atomic_read(&wp_sk(sk)->packet_sent))
 			return mask;
 	}
@@ -2274,7 +2281,7 @@ static int wanpipe_listen(struct socket *sock, int backlog)
 
  	/* This is x25 specific area if protocol doesn't
          * match, return error */
-	if (sk->num != htons(X25_PROT))
+	if (wp_sk(sk)->num != htons(X25_PROT))
 		return -EINVAL;
 
 	if (sk->state == WANSOCK_BIND_LISTEN) {
@@ -2352,7 +2359,7 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
 	
 	/* This is x25 specific area if protocol doesn't
          * match, return error */
-	if (sk->num != htons(X25_PROT))
+	if (wp->num != htons(X25_PROT))
 		return -EINVAL;
 
 
@@ -2535,7 +2542,7 @@ static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags
 	if (sk->state != WANSOCK_LISTEN)
 		return -EINVAL;
 
-	if (sk->num != htons(X25_PROT))
+	if (wp_sk(sk)->num != htons(X25_PROT))
 		return -EINVAL;
 
 	add_wait_queue(sk->sleep,&wait);
@@ -2628,7 +2635,7 @@ static int wanpipe_connect(struct socket *sock, struct sockaddr *uaddr, int addr
 	netdevice_t *dev;
 	int err;
 
-	if (sk->num != htons(X25_PROT))
+	if (wp_sk(sk)->num != htons(X25_PROT))
 		return -EINVAL;
 
 	if (sk->state == WANSOCK_CONNECTED)