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authorJeff Garzik <jeff@garzik.org>2006-10-06 14:56:04 -0400
committerJeff Garzik <jeff@garzik.org>2006-10-06 14:56:04 -0400
commitc31f28e778ab299a5035ea2bda64f245b8915d7c (patch)
tree92d1070b0ae0c3528ab2c8787c4402fd8adf5a5f /drivers/net/sonic.c
parent86d91bab4806191a8126502d80d729c2a4765ebe (diff)
downloadlinux-c31f28e778ab299a5035ea2bda64f245b8915d7c.tar.bz2
drivers/net: eliminate irq handler impossible checks, needless casts
- Eliminate check for irq handler 'dev_id==NULL' where the condition never occurs. - Eliminate needless casts to/from void* Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sonic.c')
-rw-r--r--drivers/net/sonic.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/net/sonic.c b/drivers/net/sonic.c
index cfece9676aff..ed7aa0a5acca 100644
--- a/drivers/net/sonic.c
+++ b/drivers/net/sonic.c
@@ -295,15 +295,10 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
*/
static irqreturn_t sonic_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *) dev_id;
+ struct net_device *dev = dev_id;
struct sonic_local *lp = netdev_priv(dev);
int status;
- if (dev == NULL) {
- printk(KERN_ERR "sonic_interrupt: irq %d for unknown device.\n", irq);
- return IRQ_NONE;
- }
-
if (!(status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT))
return IRQ_NONE;