[PATCH] ppc64: Fix real bugs uncovered by -Wno-uninitialized removal

The removal of -Wno-uninitialized on ppc64 revealed a number of real
bugs.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/kernel/iSeries_pci_reset.c

@@ -65,7 +65,8 @@ int iSeries_Device_ToggleReset(struct pci_dev *PciDev, int AssertTime,
 		AssertDelay = (5 * HZ) / 10;
 	else
 		AssertDelay = (AssertTime * HZ) / 10;
-	if (WaitDelay == 0)
+
+	if (DelayTime == 0)
 		WaitDelay = (30 * HZ) / 10;
 	else
 		WaitDelay = (DelayTime * HZ) / 10;

drivers/char/hvcs.c

@@ -427,7 +427,7 @@ static int hvcs_io(struct hvcs_struct *hvcsd)
 	struct tty_struct *tty;
 	char buf[HVCS_BUFF_LEN] __ALIGNED__;
 	unsigned long flags;
-	int got;
+	int got = 0;
 	int i;
 
 	spin_lock_irqsave(&hvcsd->lock, flags);
@@ -945,7 +945,7 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address,
  */
 struct hvcs_struct *hvcs_get_by_index(int index)
 {
-	struct hvcs_struct *hvcsd;
+	struct hvcs_struct *hvcsd = NULL;
 	unsigned long flags;
 
 	spin_lock(&hvcs_structs_lock);
@@ -1433,7 +1433,7 @@ static int __init hvcs_module_init(void)
 			" as a tty driver failed.\n");
 		hvcs_free_index_list();
 		put_tty_driver(hvcs_tty_driver);
-		return rc;
+		return -EIO;
 	}
 
 	hvcs_pi_buff = kmalloc(PAGE_SIZE, GFP_KERNEL);

drivers/net/ibmveth.c

@@ -885,13 +885,16 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
 
 	mac_addr_p = (unsigned char *) vio_get_attribute(dev, VETH_MAC_ADDR, 0);
 	if(!mac_addr_p) {
-		ibmveth_error_printk("Can't find VETH_MAC_ADDR attribute\n");
+		printk(KERN_ERR "(%s:%3.3d) ERROR: Can't find VETH_MAC_ADDR "
+				"attribute\n", __FILE__, __LINE__);
 		return 0;
 	}
 	
 	mcastFilterSize_p= (unsigned int *) vio_get_attribute(dev, VETH_MCAST_FILTER_SIZE, 0);
 	if(!mcastFilterSize_p) {
-		ibmveth_error_printk("Can't find VETH_MCAST_FILTER_SIZE attribute\n");
+		printk(KERN_ERR "(%s:%3.3d) ERROR: Can't find "
+				"VETH_MCAST_FILTER_SIZE attribute\n",
+				__FILE__, __LINE__);
 		return 0;
 	}
 	

drivers/pci/hotplug/rpaphp_core.c

@@ -449,7 +449,7 @@ static int rpaphp_disable_slot(struct pci_dev *dev)
 
 static int disable_slot(struct hotplug_slot *hotplug_slot)
 {
-	int retval;
+	int retval = -EINVAL;
 	struct slot *slot = (struct slot *)hotplug_slot->private;
 
 	dbg("%s - Entry: slot[%s]\n", __FUNCTION__, slot->name);

drivers/pci/hotplug/rpaphp_pci.c

@@ -186,7 +186,7 @@ static struct pci_dev *
 rpaphp_pci_config_slot(struct device_node *dn, struct pci_bus *bus)
 {
 	struct device_node *eads_first_child = dn->child;
-	struct pci_dev *dev;
+	struct pci_dev *dev = NULL;
 	int num;
 	
 	dbg("Enter %s: dn=%s bus=%s\n", __FUNCTION__, dn->full_name, bus->name);