This patch fixes a potential null dereference bug where we dereference dev
before a null check. This patch simply moves the dereferencing after the null
check.
Signed-off-by: Micah Gruber <[EMAIL PROTECTED]>
---
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -663,7 +663,7 @@
{
struct net_device *dev = dev_id;
struct uli526x_board_info *db = netdev_priv(dev);
- unsigned long ioaddr = dev->base_addr;
+ unsigned long ioaddr;
unsigned long flags;
if (!dev) {
@@ -671,6 +671,8 @@
return IRQ_NONE;
}
+ ioaddr = dev->base_addr;
+
spin_lock_irqsave(&db->lock, flags);
outl(0, ioaddr + DCR7);
-
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