Merge dea.linux-mips.net:/usr/src/bk/linux-2.5

into dea.linux-mips.net:/home/ralf/src/ax25/linux-2.5

drivers/isdn/act2000/capi.h

@@ -138,7 +138,7 @@ typedef struct actcapi_ncpd {
 
 typedef struct actcapi_msg {
 	actcapi_msghdr hdr;
-	union msg {
+	union {
 		__u16 manuf_msg;
 		struct manufacturer_req_net {
 			__u16 manuf_msg;

drivers/isdn/i4l/isdn_audio.c

@@ -564,8 +564,8 @@ isdn_audio_eval_dtmf(modem_info * info)
 			ISDN_AUDIO_SKB_LOCK(skb) = 0;
 			save_flags(flags);
 			cli();
-			di = info->isdn_driver;
-			ch = info->isdn_channel;
+			di = isdn_slot_driver(info->isdn_slot);
+			ch = isdn_slot_channel(info->isdn_slot);
 			__skb_queue_tail(&dev->drv[di]->rpqueue[ch], skb);
 			dev->drv[di]->rcvcount[ch] += 2;
 			restore_flags(flags);
@@ -685,8 +685,8 @@ isdn_audio_put_dle_code(modem_info * info, u_char code)
 	ISDN_AUDIO_SKB_LOCK(skb) = 0;
 	save_flags(flags);
 	cli();
-	di = info->isdn_driver;
-	ch = info->isdn_channel;
+	di = isdn_slot_driver(info->isdn_slot);
+	ch = isdn_slot_channel(info->isdn_slot);
 	__skb_queue_tail(&dev->drv[di]->rpqueue[ch], skb);
 	dev->drv[di]->rcvcount[ch] += 2;
 	restore_flags(flags);

drivers/isdn/i4l/isdn_common.h

@@ -23,6 +23,32 @@
 #undef  ISDN_DEBUG_NET_DUMP
 #undef  ISDN_DEBUG_NET_DIAL
 #undef  ISDN_DEBUG_NET_ICALL
+#undef  ISDN_DEBUG_STATCALLB
+#undef  ISDN_DEBUG_COMMAND
+
+#ifdef ISDN_DEBUG_NET_DIAL
+#define dbg_net_dial(arg...) printk(KERN_DEBUG arg)
+#else
+#define dbg_net_dial(arg...) do {} while (0)
+#endif
+
+#ifdef ISDN_DEBUG_NET_ICALL
+#define dbg_net_icall(arg...) printk(KERN_DEBUG arg)
+#else
+#define dbg_net_icall(arg...) do {} while (0)
+#endif
+
+#ifdef ISDN_DEBUG_STATCALLB
+#define dbg_statcallb(arg...) printk(KERN_DEBUG arg)
+#else
+#define dbg_statcallb(arg...) do {} while (0)
+#endif
+
+#define isdn_BUG() \
+do { printk(KERN_WARNING "ISDN Bug at %s:%d\n", __FILE__, __LINE__); \
+} while(0)
+
+#define HERE printk("%s:%d (%s)\n", __FILE__, __LINE__, __FUNCTION__)
 
 /* Prototypes */
 extern void isdn_MOD_INC_USE_COUNT(void);
@@ -30,20 +56,50 @@ extern void isdn_MOD_DEC_USE_COUNT(void);
 extern void isdn_lock_drivers(void);
 extern void isdn_unlock_drivers(void);
 extern void isdn_free_channel(int di, int ch, int usage);
-extern void isdn_all_eaz(int di, int ch);
-extern int isdn_command(isdn_ctrl *);
 extern int isdn_dc2minor(int di, int ch);
 extern void isdn_info_update(void);
 extern char *isdn_map_eaz2msn(char *msn, int di);
 extern void isdn_timer_ctrl(int tf, int onoff);
 extern void isdn_unexclusive_channel(int di, int ch);
 extern int isdn_getnum(char **);
-extern int isdn_readbchan(int, int, u_char *, u_char *, int, wait_queue_head_t *);
-extern int isdn_get_free_channel(int, int, int, int, int, char *);
-extern int isdn_writebuf_skb_stub(int, int, int, struct sk_buff *);
-extern int register_isdn(isdn_if * i);
 extern int isdn_msncmp( const char *,  const char *);
 extern int isdn_add_channels(driver *, int, int, int);
 #if defined(ISDN_DEBUG_NET_DUMP) || defined(ISDN_DEBUG_MODEM_DUMP)
 extern void isdn_dumppkt(char *, u_char *, int, int);
+#else
+static inline void isdn_dumppkt(char *s, u_char *d, int l, int m) { }
 #endif
+
+struct dial_info {
+	int            l2_proto;
+	int            l3_proto;
+	struct T30_s  *fax;
+	unsigned char  si1;
+	unsigned char  si2;
+	unsigned char *msn;
+	unsigned char *phone;
+};
+
+extern struct list_head isdn_net_devs;
+
+extern int   isdn_get_free_slot(int, int, int, int, int, char *);
+extern void  isdn_slot_free(int slot, int usage);
+extern void  isdn_slot_all_eaz(int slot);
+extern int   isdn_slot_command(int slot, int cmd, isdn_ctrl *);
+extern int   isdn_slot_dial(int slot, struct dial_info *dial);
+extern char *isdn_slot_map_eaz2msn(int slot, char *msn);
+extern int   isdn_slot_write(int slot, struct sk_buff *);
+extern int   isdn_slot_readbchan(int slot, u_char *, u_char *, int);
+extern int   isdn_slot_hdrlen(int slot);
+extern int   isdn_slot_driver(int slot);
+extern int   isdn_slot_channel(int slot);
+extern int   isdn_slot_usage(int slot);
+extern void  isdn_slot_set_usage(int slot, int usage);
+extern char *isdn_slot_num(int slot);
+extern int   isdn_slot_m_idx(int slot);
+extern void  isdn_slot_set_m_idx(int slot, int midx);
+extern void  isdn_slot_set_rx_netdev(int sl, isdn_net_dev *nd);
+extern void  isdn_slot_set_st_netdev(int sl, isdn_net_dev *nd);
+extern isdn_net_dev *isdn_slot_rx_netdev(int sl);
+extern isdn_net_dev *isdn_slot_st_netdev(int sl);
+

drivers/isdn/i4l/isdn_net.h

@@ -31,8 +31,8 @@
 #define CISCO_SLARP_REPLY     1
 #define CISCO_SLARP_KEEPALIVE 2
 
-extern char *isdn_net_new(char *, struct net_device *);
-extern char *isdn_net_newslave(char *);
+extern int isdn_net_new(char *, struct net_device *);
+extern int isdn_net_newslave(char *);
 extern int isdn_net_rm(char *);
 extern int isdn_net_rmall(void);
 extern int isdn_net_stat_callback(int, isdn_ctrl *);
@@ -44,7 +44,6 @@ extern int isdn_net_getpeer(isdn_net_ioctl_phone *, isdn_net_ioctl_phone *);
 extern int isdn_net_delphone(isdn_net_ioctl_phone *);
 extern int isdn_net_find_icall(int, int, int, setup_parm *);
 extern void isdn_net_hangup(struct net_device *);
-extern void isdn_net_dial(void);
 extern void isdn_net_autohup(void);
 extern int isdn_net_force_hangup(char *);
 extern int isdn_net_force_dial(char *);
@@ -131,7 +130,7 @@ static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp)
 	if (master_lp->netdev->queue == lp) {
 		master_lp->netdev->queue = lp->next;
 		if (lp->next == lp) { /* last in queue */
-			master_lp->netdev->queue = master_lp->netdev->local;
+			master_lp->netdev->queue = &master_lp->netdev->local;
 		}
 	}
 	lp->next = lp->last = lp;	/* (re)set own pointers */

drivers/isdn/i4l/isdn_ppp.c

@@ -165,14 +165,15 @@ isdn_ppp_bind(isdn_net_local * lp)
 	save_flags(flags);
 	cli();
 	if (lp->pppbind < 0) {  /* device bounded to ippp device ? */
-		isdn_net_dev *net_dev = dev->netdev;
+		struct list_head *l;
 		char exclusive[ISDN_MAX_CHANNELS];	/* exclusive flags */
 		memset(exclusive, 0, ISDN_MAX_CHANNELS);
-		while (net_dev) {	/* step through net devices to find exclusive minors */
-			isdn_net_local *lp = net_dev->local;
+		/* step through net devices to find exclusive minors */
+		list_for_each(l, &isdn_net_devs) {
+			isdn_net_dev *p = list_entry(l, isdn_net_dev, global_list);
+			isdn_net_local *lp = &p->local;
 			if (lp->pppbind >= 0)
 				exclusive[lp->pppbind] = 1;
-			net_dev = net_dev->next;
 		}
 		/*
 		 * search a free device / slot
@@ -804,11 +805,11 @@ isdn_ppp_write(struct file *file, const char *buf, size_t count, loff_t *off)
 		if (proto != PPP_LCP)
 			lp->huptimer = 0;
 
-		if (lp->isdn_device < 0 || lp->isdn_channel < 0) {
+		if (lp->isdn_slot < 0) {
 			retval = 0;
 			goto out;
 		}
-		if ((dev->drv[lp->isdn_device]->flags & DRV_FLAG_RUNNING) &&
+		if ((dev->drv[isdn_slot_driver(lp->isdn_slot)]->flags & DRV_FLAG_RUNNING) &&
 			lp->dialstate == 0 &&
 		    (lp->flags & ISDN_NET_CONNECTED)) {
 			unsigned short hl;
@@ -818,7 +819,7 @@ isdn_ppp_write(struct file *file, const char *buf, size_t count, loff_t *off)
 			 * sk_buff. old call to dev_alloc_skb only reserved
 			 * 16 bytes, now we are looking what the driver want
 			 */
-			hl = dev->drv[lp->isdn_device]->interface->hl_hdrlen;
+			hl = isdn_slot_hdrlen(lp->isdn_slot);
 			skb = alloc_skb(hl+count, GFP_ATOMIC);
 			if (!skb) {
 				printk(KERN_WARNING "isdn_ppp_write: out of memory!\n");
@@ -974,7 +975,7 @@ void isdn_ppp_receive(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buf
 	int slot;
 	int proto;
 
-	if (net_dev->local->master)
+	if (net_dev->local.master)
 		BUG(); // we're called with the master device always
 
 	slot = lp->ppp_slot;
@@ -1077,12 +1078,12 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 		case PPP_VJC_UNCOMP:
 			if (is->debug & 0x20)
 				printk(KERN_DEBUG "isdn_ppp: VJC_UNCOMP\n");
-			if (net_dev->local->ppp_slot < 0) {
+			if (net_dev->local.ppp_slot < 0) {
 				printk(KERN_ERR __FUNCTION__": net_dev->local->ppp_slot(%d) out of range\n",
-					net_dev->local->ppp_slot);
+					net_dev->local.ppp_slot);
 				goto drop_packet;
 			}
-			if (slhc_remember(ippp_table[net_dev->local->ppp_slot]->slcomp, skb->data, skb->len) <= 0) {
+			if (slhc_remember(ippp_table[net_dev->local.ppp_slot]->slcomp, skb->data, skb->len) <= 0) {
 				printk(KERN_WARNING "isdn_ppp: received illegal VJC_UNCOMP frame!\n");
 				goto drop_packet;
 			}
@@ -1103,12 +1104,12 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 				}
 				skb_put(skb, skb_old->len + 128);
 				memcpy(skb->data, skb_old->data, skb_old->len);
-				if (net_dev->local->ppp_slot < 0) {
+				if (net_dev->local.ppp_slot < 0) {
 					printk(KERN_ERR __FUNCTION__": net_dev->local->ppp_slot(%d) out of range\n",
-						net_dev->local->ppp_slot);
+						net_dev->local.ppp_slot);
 					goto drop_packet;
 				}
-				pkt_len = slhc_uncompress(ippp_table[net_dev->local->ppp_slot]->slcomp,
+				pkt_len = slhc_uncompress(ippp_table[net_dev->local.ppp_slot]->slcomp,
 						skb->data, skb_old->len);
 				kfree_skb(skb_old);
 				if (pkt_len < 0)
@@ -1144,7 +1145,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 	return;
 
  drop_packet:
-	net_dev->local->stats.rx_dropped++;
+	net_dev->local.stats.rx_dropped++;
 	kfree_skb(skb);
 }
 
@@ -1263,7 +1264,7 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
 		 * sk_buff. old call to dev_alloc_skb only reserved
 		 * 16 bytes, now we are looking what the driver want.
 		 */
-		hl = dev->drv[lp->isdn_device]->interface->hl_hdrlen + IPPP_MAX_HEADER;
+		hl = isdn_slot_hdrlen(lp->isdn_slot) + IPPP_MAX_HEADER;;
 		/* 
 		 * Note: hl might still be insufficient because the method
 		 * above does not account for a possibible MPPP slave channel
@@ -1976,7 +1977,7 @@ isdn_ppp_dial_slave(char *name)
 
 	if (!(ndev = isdn_net_findif(name)))
 		return 1;
-	lp = ndev->local;
+	lp = &ndev->local;
 	if (!(lp->flags & ISDN_NET_CONNECTED))
 		return 5;
 
@@ -2007,7 +2008,7 @@ isdn_ppp_hangup_slave(char *name)
 
 	if (!(ndev = isdn_net_findif(name)))
 		return 1;
-	lp = ndev->local;
+	lp = &ndev->local;
 	if (!(lp->flags & ISDN_NET_CONNECTED))
 		return 5;
 
@@ -2094,7 +2095,7 @@ static void isdn_ppp_ccp_xmit_reset(struct ippp_struct *is, int proto,
 	isdn_net_local *lp = is->lp;
 
 	/* Alloc large enough skb */
-	hl = dev->drv[lp->isdn_device]->interface->hl_hdrlen;
+	hl = isdn_slot_hdrlen(lp->isdn_slot);
 	skb = alloc_skb(len + hl + 16,GFP_ATOMIC);
 	if(!skb) {
 		printk(KERN_WARNING

drivers/isdn/i4l/isdn_tty.h

@@ -105,7 +105,7 @@ extern void isdn_tty_modem_escape(void);
 extern void isdn_tty_modem_ring(void);
 extern void isdn_tty_carrier_timeout(void);
 extern void isdn_tty_modem_xmit(void);
-extern int isdn_tty_modem_init(void);
+extern int isdn_tty_init(void);
 extern void isdn_tty_readmodem(void);
 extern int isdn_tty_find_icall(int, int, setup_parm *);
 extern void isdn_tty_cleanup_xmit(modem_info *);
@@ -119,3 +119,6 @@ extern int isdn_tty_cmd_PLUSF_FAX(char **, modem_info *);
 extern int isdn_tty_fax_command(modem_info *, isdn_ctrl *);
 extern void isdn_tty_fax_bitorder(modem_info *, struct sk_buff *);
 #endif
+
+extern int isdn_tty_init(void);
+extern void isdn_tty_exit(void);

drivers/isdn/i4l/isdn_ttyfax.c

@@ -74,7 +74,7 @@ isdn_tty_fax_modem_result(int code, modem_info * info)
 		case 2:	/* +FCON */
 			/* Append CPN, if enabled */
 			if ((m->mdmreg[REG_CPNFCON] & BIT_CPNFCON) &&
-				(!(dev->usage[info->isdn_channel] & ISDN_USAGE_OUTGOING))) {
+				(!(isdn_slot_usage(info->isdn_slot) & ISDN_USAGE_OUTGOING))) {
 				sprintf(rs, "/%s", m->cpn);
 				isdn_tty_at_cout(rs, info);
 			}
@@ -360,12 +360,11 @@ isdn_tty_cmd_FCLASS1(char **p, modem_info * info)
 		default:
 			PARSE_ERROR1;
 	}
-	c.command = ISDN_CMD_FAXCMD;
 #ifdef ISDN_TTY_FAX_CMD_DEBUG
 	printk(KERN_DEBUG "isdn_tty_cmd_FCLASS1 %d/%d/%d)\n",
 	       c.parm.aux.cmd, c.parm.aux.subcmd, c.parm.aux.para[0]);
 #endif
-	if (info->isdn_driver < 0) {
+	if (info->isdn_slot < 0) {
 		save_flags(flags);
 		cli();
 		if ((c.parm.aux.subcmd == AT_EQ_VALUE) ||
@@ -374,32 +373,21 @@ isdn_tty_cmd_FCLASS1(char **p, modem_info * info)
 			PARSE_ERROR1;
 		}
 		/* get a temporary connection to the first free fax driver */
-		i = isdn_get_free_channel(ISDN_USAGE_FAX, ISDN_PROTO_L2_FAX,
-					  ISDN_PROTO_L3_FCLASS1, -1, -1, "00");
+		i = isdn_get_free_slot(ISDN_USAGE_FAX, ISDN_PROTO_L2_FAX,
+				       ISDN_PROTO_L3_FCLASS1, -1, -1, "00");
 		if (i < 0) {
 			restore_flags(flags);
 			PARSE_ERROR1;
 		}
-		info->isdn_driver = dev->drvmap[i];
-		info->isdn_channel = dev->chanmap[i];
-		info->drv_index = i;
-		dev->m_idx[i] = info->line;
-		c.driver = info->isdn_driver;
-		c.arg = info->isdn_channel;
-		isdn_command(&c);
-		isdn_free_channel(info->isdn_driver, info->isdn_channel,
-				  ISDN_USAGE_FAX);
-		info->isdn_driver = -1;
-		info->isdn_channel = -1;
-		if (info->drv_index >= 0) {
-			dev->m_idx[info->drv_index] = -1;
-			info->drv_index = -1;
-		}
+		info->isdn_slot = i;
+		isdn_slot_set_m_idx(i, info->line);
+		isdn_slot_command(info->isdn_slot, ISDN_CMD_FAXCMD, &c);
+		isdn_slot_free(info->isdn_slot, ISDN_USAGE_FAX);
+		isdn_slot_set_m_idx(i, -1);
+		info->isdn_slot = -1;
 		restore_flags(flags);
 	} else {
-		c.driver = info->isdn_driver;
-		c.arg = info->isdn_channel;
-		isdn_command(&c);
+		isdn_slot_command(info->isdn_slot, ISDN_CMD_FAXCMD, &c);
 	}
 	return 1;
 }
@@ -800,10 +788,7 @@ isdn_tty_cmd_FCLASS2(char **p, modem_info * info)
 			printk(KERN_DEBUG "isdn_tty: Fax FDR\n");
 #endif
 			f->code = ISDN_TTY_FAX_DR;
-			cmd.driver = info->isdn_driver;
-			cmd.arg = info->isdn_channel;
-			cmd.command = ISDN_CMD_FAXCMD;
-			isdn_command(&cmd);
+			isdn_slot_command(info->isdn_slot, ISDN_CMD_FAXCMD, &cmd);
 			if (f->phase == ISDN_FAX_PHASE_B) {
 				f->phase = ISDN_FAX_PHASE_C;
 			} else if (f->phase == ISDN_FAX_PHASE_D) {
@@ -855,10 +840,7 @@ isdn_tty_cmd_FCLASS2(char **p, modem_info * info)
 #endif
 		if ((f->phase == ISDN_FAX_PHASE_B) || (f->phase == ISDN_FAX_PHASE_D)) {
 			f->code = ISDN_TTY_FAX_DT;
-			cmd.driver = info->isdn_driver;
-			cmd.arg = info->isdn_channel;
-			cmd.command = ISDN_CMD_FAXCMD;
-			isdn_command(&cmd);
+			isdn_slot_command(info->isdn_slot, ISDN_CMD_FAXCMD, &cmd);
 			if (f->phase == ISDN_FAX_PHASE_D) {
 				f->phase = ISDN_FAX_PHASE_C;
 				isdn_tty_fax_modem_result(7, info);	/* CONNECT */
@@ -913,10 +895,7 @@ isdn_tty_cmd_FCLASS2(char **p, modem_info * info)
 				PARSE_ERROR1;
 			f->fet = par;
 			f->code = ISDN_TTY_FAX_ET;
-			cmd.driver = info->isdn_driver;
-			cmd.arg = info->isdn_channel;
-			cmd.command = ISDN_CMD_FAXCMD;
-			isdn_command(&cmd);
+			isdn_slot_command(info->isdn_slot, ISDN_CMD_FAXCMD, &cmd);
 #ifdef ISDN_TTY_FAX_STAT_DEBUG
 			printk(KERN_DEBUG "isdn_tty: Fax FET=%d\n", par);
 #endif

drivers/isdn/i4l/isdn_v110.c

@@ -515,14 +515,12 @@ isdn_v110_encode(isdn_v110_stream * v, struct sk_buff *skb)
 }
 
 int
-isdn_v110_stat_callback(int idx, isdn_ctrl * c)
+isdn_v110_stat_callback(struct isdn_v110 *iv110, isdn_ctrl *c)
 {
 	isdn_v110_stream *v = NULL;
 	int i;
 	int ret;
 
-	if (idx < 0)
-		return 0;
 	switch (c->command) {
 		case ISDN_STAT_BSENT:
                         /* Keep the send-queue of the driver filled
@@ -531,9 +529,9 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 			 * send down an Idle-Frame (or an Sync-Frame, if
 			 * v->SyncInit != 0). 
 			 */
-			if (!(v = dev->v110[idx]))
+			if (!(v = iv110->v110))
 				return 0;
-			atomic_inc(&dev->v110use[idx]);
+			atomic_inc(&iv110->v110use);
 			if (v->skbidle > 0) {
 				v->skbidle--;
 				ret = 1;
@@ -560,38 +558,38 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 				} else
 					break;
 			}
-			atomic_dec(&dev->v110use[idx]);
+			atomic_dec(&iv110->v110use);
 			return ret;
 		case ISDN_STAT_DHUP:
 		case ISDN_STAT_BHUP:
 			while (1) {
-				atomic_inc(&dev->v110use[idx]);
-				if (atomic_dec_and_test(&dev->v110use[idx])) {
-					isdn_v110_close(dev->v110[idx]);
-					dev->v110[idx] = NULL;
+				atomic_inc(&iv110->v110use);
+				if (atomic_dec_and_test(&iv110->v110use)) {
+					isdn_v110_close(iv110->v110);
+					iv110->v110 = NULL;
 					break;
 				}
 				sti();
 			}
 			break;
 		case ISDN_STAT_BCONN:
-			if (dev->v110emu[idx] && (dev->v110[idx] == NULL)) {
+			if (iv110->v110emu && (iv110->v110 == NULL)) {
 				int hdrlen = dev->drv[c->driver]->interface->hl_hdrlen;
 				int maxsize = dev->drv[c->driver]->interface->maxbufsize;
-				atomic_inc(&dev->v110use[idx]);
-				switch (dev->v110emu[idx]) {
+				atomic_inc(&iv110->v110use);
+				switch (iv110->v110emu) {
 					case ISDN_PROTO_L2_V11096:
-						dev->v110[idx] = isdn_v110_open(V110_9600, hdrlen, maxsize);
+						iv110->v110 = isdn_v110_open(V110_9600, hdrlen, maxsize);
 						break;
 					case ISDN_PROTO_L2_V11019:
-						dev->v110[idx] = isdn_v110_open(V110_19200, hdrlen, maxsize);
+						iv110->v110 = isdn_v110_open(V110_19200, hdrlen, maxsize);
 						break;
 					case ISDN_PROTO_L2_V11038:
-						dev->v110[idx] = isdn_v110_open(V110_38400, hdrlen, maxsize);
+						iv110->v110 = isdn_v110_open(V110_38400, hdrlen, maxsize);
 						break;
 					default:;
 				}
-				if ((v = dev->v110[idx])) {
+				if ((v = iv110->v110)) {
 					while (v->SyncInit) {
 						struct sk_buff *skb = isdn_v110_sync(v);
 						if (dev->drv[c->driver]->interface->writebuf_skb(c->driver, c->arg, 1, skb) <= 0) {
@@ -603,8 +601,8 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 						v->skbidle++;
 					}
 				} else
-					printk(KERN_WARNING "isdn_v110: Couldn't open stream for chan %d\n", idx);
-				atomic_dec(&dev->v110use[idx]);
+					printk(KERN_WARNING "isdn_v110: Couldn't open stream\n");
+				atomic_dec(&iv110->v110use);
 			}
 			break;
 		default:

drivers/isdn/i4l/isdn_v110.h

@@ -9,8 +9,14 @@
  *
  */
 
-#ifndef _isdn_v110_h_
-#define _isdn_v110_h_
+#ifndef ISDN_V110_H
+#define ISDN_V110_H
+
+struct isdn_v110 {
+  int               v110emu;             /* V.110 emulator-mode 0=none */
+  atomic_t          v110use;             /* Usage-Semaphore for stream */
+  isdn_v110_stream  *v110;               /* V.110 private data         */
+};
 
 /* 
  * isdn_v110_encode will take raw data and encode it using V.110 
@@ -23,7 +29,7 @@ extern struct sk_buff *isdn_v110_encode(isdn_v110_stream *, struct sk_buff *);
  */
 extern struct sk_buff *isdn_v110_decode(isdn_v110_stream *, struct sk_buff *);
 
-extern int isdn_v110_stat_callback(int, isdn_ctrl *);
+extern int isdn_v110_stat_callback(struct isdn_v110 *v110, isdn_ctrl *);
 extern void isdn_v110_close(isdn_v110_stream * v);
 
 #endif

drivers/isdn/isdnloop/isdnloop.c

@@ -757,6 +757,10 @@ isdnloop_vstphone(isdnloop_card * card, char *phone, int caller)
 	int i;
 	static char nphone[30];
 
+	if (!card) {
+		printk("BUG!!!\n");
+		return "";
+	}
 	switch (card->ptype) {
 		case ISDN_PTYPE_EURO:
 			if (caller) {
@@ -775,7 +779,7 @@ isdnloop_vstphone(isdnloop_card * card, char *phone, int caller)
 				return (&phone[strlen(phone) - 1]);
 			break;
 	}
-	return ("\0");
+	return "";
 }
 
 /*
@@ -882,7 +886,7 @@ isdnloop_parse_cmd(isdnloop_card * card)
 						isdnloop_vstphone(card, cmd.parm.setup.eazmsn, 1),
 						cmd.parm.setup.si1,
 						cmd.parm.setup.si2,
-					isdnloop_vstphone(card->rcard[ch],
+					isdnloop_vstphone(card->rcard[ch - 1],
 					       cmd.parm.setup.phone, 0));
 					isdnloop_fake(card->rcard[ch - 1], buf, card->rch[ch - 1] + 1);
 					/* Fall through */

include/linux/isdn.h

@@ -245,18 +245,12 @@ typedef struct {
 #define ISDN_TIMER_MODEMPLUS   2
 #define ISDN_TIMER_MODEMRING   4
 #define ISDN_TIMER_MODEMXMIT   8
-#define ISDN_TIMER_NETDIAL    16 
 #define ISDN_TIMER_NETHANGUP  32
 #define ISDN_TIMER_CARRIER   256 /* Wait for Carrier */
 #define ISDN_TIMER_FAST      (ISDN_TIMER_MODEMREAD | ISDN_TIMER_MODEMPLUS | \
                               ISDN_TIMER_MODEMXMIT)
 #define ISDN_TIMER_SLOW      (ISDN_TIMER_MODEMRING | ISDN_TIMER_NETHANGUP | \
-                              ISDN_TIMER_NETDIAL | ISDN_TIMER_CARRIER)
-
-/* Timeout-Values for isdn_net_dial() */
-#define ISDN_TIMER_DTIMEOUT10 (10*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1)))
-#define ISDN_TIMER_DTIMEOUT15 (15*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1)))
-#define ISDN_TIMER_DTIMEOUT60 (60*HZ/(ISDN_TIMER_02SEC*(ISDN_TIMER_RES+1)))
+                              ISDN_TIMER_CARRIER)
 
 /* GLOBAL_FLAGS */
 #define ISDN_GLOBAL_STOPPED 1
@@ -291,9 +285,10 @@ typedef struct {
 typedef struct isdn_net_local_s {
   ulong                  magic;
   char                   name[10];     /* Name of device                   */
+  struct timer_list      dial_timer;   /* dial timeout                     */
+  int                    dial_event;   /* event in case of timer expiry    */
   struct net_device_stats stats;       /* Ethernet Statistics              */
-  int                    isdn_device;  /* Index to isdn-device             */
-  int                    isdn_channel; /* Index to isdn-channel            */
+  int                    isdn_slot;    /* Index to isdn device/channel     */
   int			 ppp_slot;     /* PPPD device slot number          */
   int                    pre_device;   /* Preselected isdn-device          */
   int                    pre_channel;  /* Preselected isdn-channel         */
@@ -302,7 +297,6 @@ typedef struct isdn_net_local_s {
   int                    dialretry;    /* Counter for Dialout-retries      */
   int                    dialmax;      /* Max. Number of Dial-retries      */
   int                    cbdelay;      /* Delay before Callback starts     */
-  int                    dtimer;       /* Timeout-counter for dialing      */
   char                   msn[ISDN_MSNLEN]; /* MSNs/EAZs for this interface */
   u_char                 cbhup;        /* Flag: Reject Call before Callback*/
   u_char                 dialstate;    /* State for dialing                */
@@ -387,12 +381,12 @@ typedef struct isdn_net_local_s {
 
 /* the interface itself */
 typedef struct isdn_net_dev_s {
-  isdn_net_local *local;
+  isdn_net_local local;
   isdn_net_local *queue;               /* circular list of all bundled
 					  channels, which are currently
 					  online                           */
   spinlock_t queue_lock;               /* lock to protect queue            */
-  void *next;                          /* Pointer to next isdn-interface   */
+  struct list_head global_list;        /* global list of all isdn_net_devs */
   struct net_device dev;               /* interface to upper levels        */
 #ifdef CONFIG_ISDN_PPP
   ippp_bundle * pb;		/* pointer to the common bundle structure
@@ -480,9 +474,7 @@ typedef struct modem_info {
 					 /* 2 = B-Channel is up, deliver d.*/
   int                   dialing;         /* Dial in progress or ATA        */
   int                   rcvsched;        /* Receive needs schedule         */
-  int                   isdn_driver;	 /* Index to isdn-driver           */
-  int                   isdn_channel;    /* Index to isdn-channel          */
-  int                   drv_index;       /* Index to dev->usage            */
+  int                   isdn_slot;	 /* Index to isdn-driver/channel   */
   int                   ncarrier;        /* Flag: schedule NO CARRIER      */
   unsigned char         last_cause[8];   /* Last cause message             */
   unsigned char         last_num[ISDN_MSNLEN];
@@ -608,24 +600,10 @@ typedef struct isdn_devt {
 	infostruct        *infochain;                /* List of open info-devs.    */
 	wait_queue_head_t info_waitq;               /* Wait-Queue for isdninfo    */
 	struct timer_list timer;		       /* Misc.-function Timer       */
-	int               chanmap[ISDN_MAX_CHANNELS];/* Map minor->device-channel  */
-	int               drvmap[ISDN_MAX_CHANNELS]; /* Map minor->driver-index    */
-	int               usage[ISDN_MAX_CHANNELS];  /* Used by tty/ip/voice       */
-	char              num[ISDN_MAX_CHANNELS][ISDN_MSNLEN];
-	/* Remote number of active ch.*/
-	int               m_idx[ISDN_MAX_CHANNELS];  /* Index for mdm....          */
 	driver            *drv[ISDN_MAX_DRIVERS];    /* Array of drivers           */
-	isdn_net_dev      *netdev;		       /* Linked list of net-if's    */
 	char              drvid[ISDN_MAX_DRIVERS][20];/* Driver-ID                 */
 	struct task_struct *profd;                   /* For iprofd                 */
 	modem             mdm;		       /* tty-driver-data            */
-	isdn_net_dev      *rx_netdev[ISDN_MAX_CHANNELS]; /* rx netdev-pointers     */
-	isdn_net_dev      *st_netdev[ISDN_MAX_CHANNELS]; /* stat netdev-pointers   */
-	ulong             ibytes[ISDN_MAX_CHANNELS]; /* Statistics incoming bytes  */
-	ulong             obytes[ISDN_MAX_CHANNELS]; /* Statistics outgoing bytes  */
-	int               v110emu[ISDN_MAX_CHANNELS];/* V.110 emulator-mode 0=none */
-	atomic_t          v110use[ISDN_MAX_CHANNELS];/* Usage-Semaphore for stream */
-	isdn_v110_stream  *v110[ISDN_MAX_CHANNELS];  /* V.110 private data         */
 	struct semaphore  sem;                       /* serialize list access*/
 	unsigned long     global_features;
 #ifdef CONFIG_DEVFS_FS

include/linux/isdnif.h

@@ -418,9 +418,7 @@ typedef struct {
 		char display[85];/* display message data		*/ 
 		isdn_cmd_stat isdn_io; /* ISDN IO-parameter/result	*/
 		aux_s aux;	/* for modem commands/indications	*/
-#ifdef CONFIG_ISDN_TTY_FAX
 		T30_s	*fax;	/* Pointer to ttys fax struct		*/
-#endif
 		ulong userdata;	/* User Data */
 	} parm;
 } isdn_ctrl;

mm/mmap.c

@@ -422,6 +422,7 @@ unsigned long do_mmap_pgoff(struct file * file, unsigned long addr,
 {
 	struct mm_struct * mm = current->mm;
 	struct vm_area_struct * vma, * prev;
+	struct inode *inode = NULL;
 	unsigned int vm_flags;
 	int correct_wcount = 0;
 	int error;
@@ -469,17 +470,18 @@ unsigned long do_mmap_pgoff(struct file * file, unsigned long addr,
 	}
 
 	if (file) {
+		inode = file->f_dentry->d_inode;
 		switch (flags & MAP_TYPE) {
 		case MAP_SHARED:
 			if ((prot & PROT_WRITE) && !(file->f_mode & FMODE_WRITE))
 				return -EACCES;
 
 			/* Make sure we don't allow writing to an append-only file.. */
-			if (IS_APPEND(file->f_dentry->d_inode) && (file->f_mode & FMODE_WRITE))
+			if (IS_APPEND(inode) && (file->f_mode & FMODE_WRITE))
 				return -EACCES;
 
 			/* make sure there are no mandatory locks on the file. */
-			if (locks_verify_locked(file->f_dentry->d_inode))
+			if (locks_verify_locked(inode))
 				return -EAGAIN;
 
 			vm_flags |= VM_SHARED | VM_MAYSHARE;
@@ -603,7 +605,7 @@ unsigned long do_mmap_pgoff(struct file * file, unsigned long addr,
 
 	vma_link(mm, vma, prev, rb_link, rb_parent);
 	if (correct_wcount)
-		atomic_inc(&file->f_dentry->d_inode->i_writecount);
+		atomic_inc(&inode->i_writecount);
 
 out:	
 	mm->total_vm += len >> PAGE_SHIFT;
@@ -615,7 +617,7 @@ unsigned long do_mmap_pgoff(struct file * file, unsigned long addr,
 
 unmap_and_free_vma:
 	if (correct_wcount)
-		atomic_inc(&file->f_dentry->d_inode->i_writecount);
+		atomic_inc(&inode->i_writecount);
 	vma->vm_file = NULL;
 	fput(file);
 
@@ -755,38 +757,41 @@ struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,
 	return prev ? prev->vm_next : vma;
 }
 
+#ifdef ARCH_STACK_GROWSUP
 /*
- * vma is the first one with  address < vma->vm_end,
- * and even address < vma->vm_start. Have to extend vma.
+ * vma is the first one with address > vma->vm_end.  Have to extend vma.
  */
 int expand_stack(struct vm_area_struct * vma, unsigned long address)
 {
 	unsigned long grow;
 
+	if (!(vma->vm_flags & VM_GROWSUP))
+		return -EFAULT;
+
 	/*
 	 * vma->vm_start/vm_end cannot change under us because the caller
-	 * is required to hold the mmap_sem in write mode. We need to get
+	 * is required to hold the mmap_sem in read mode. We need to get
 	 * the spinlock only before relocating the vma range ourself.
 	 */
+	address += 4 + PAGE_SIZE - 1;
 	address &= PAGE_MASK;
  	spin_lock(&vma->vm_mm->page_table_lock);
-	grow = (vma->vm_start - address) >> PAGE_SHIFT;
+	grow = (address - vma->vm_end) >> PAGE_SHIFT;
 
 	/* Overcommit.. */
-	if(!vm_enough_memory(grow)) {
+	if (!vm_enough_memory(grow)) {
 		spin_unlock(&vma->vm_mm->page_table_lock);
 		return -ENOMEM;
 	}
 	
-	if (vma->vm_end - address > current->rlim[RLIMIT_STACK].rlim_cur ||
+	if (address - vma->vm_start > current->rlim[RLIMIT_STACK].rlim_cur ||
 			((vma->vm_mm->total_vm + grow) << PAGE_SHIFT) >
 			current->rlim[RLIMIT_AS].rlim_cur) {
 		spin_unlock(&vma->vm_mm->page_table_lock);
 		vm_unacct_memory(grow);
 		return -ENOMEM;
 	}
-	vma->vm_start = address;
-	vma->vm_pgoff -= grow;
+	vma->vm_end = address;
 	vma->vm_mm->total_vm += grow;
 	if (vma->vm_flags & VM_LOCKED)
 		vma->vm_mm->locked_vm += grow;
@@ -794,7 +799,6 @@ int expand_stack(struct vm_area_struct * vma, unsigned long address)
 	return 0;
 }
 
-#ifdef ARCH_STACK_GROWSUP
 struct vm_area_struct * find_extend_vma(struct mm_struct * mm, unsigned long addr)
 {
 	struct vm_area_struct *vma, *prev;
@@ -811,6 +815,44 @@ struct vm_area_struct * find_extend_vma(struct mm_struct * mm, unsigned long add
 	return prev;
 }
 #else
+/*
+ * vma is the first one with address < vma->vm_start.  Have to extend vma.
+ */
+int expand_stack(struct vm_area_struct * vma, unsigned long address)
+{
+	unsigned long grow;
+
+	/*
+	 * vma->vm_start/vm_end cannot change under us because the caller
+	 * is required to hold the mmap_sem in read mode. We need to get
+	 * the spinlock only before relocating the vma range ourself.
+	 */
+	address &= PAGE_MASK;
+ 	spin_lock(&vma->vm_mm->page_table_lock);
+	grow = (vma->vm_start - address) >> PAGE_SHIFT;
+
+	/* Overcommit.. */
+	if (!vm_enough_memory(grow)) {
+		spin_unlock(&vma->vm_mm->page_table_lock);
+		return -ENOMEM;
+	}
+	
+	if (vma->vm_end - address > current->rlim[RLIMIT_STACK].rlim_cur ||
+			((vma->vm_mm->total_vm + grow) << PAGE_SHIFT) >
+			current->rlim[RLIMIT_AS].rlim_cur) {
+		spin_unlock(&vma->vm_mm->page_table_lock);
+		vm_unacct_memory(grow);
+		return -ENOMEM;
+	}
+	vma->vm_start = address;
+	vma->vm_pgoff -= grow;
+	vma->vm_mm->total_vm += grow;
+	if (vma->vm_flags & VM_LOCKED)
+		vma->vm_mm->locked_vm += grow;
+	spin_unlock(&vma->vm_mm->page_table_lock);
+	return 0;
+}
+
 struct vm_area_struct * find_extend_vma(struct mm_struct * mm, unsigned long addr)
 {
 	struct vm_area_struct * vma;