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drivers/net: eliminate irq handler impossible checks, needless casts

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- 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>
This commit is contained in:
Jeff Garzik 2006-10-06 14:56:04 -04:00
parent 86d91bab48
commit c31f28e778
37 changed files with 39 additions and 199 deletions
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7
drivers/net/sonic.c
View file

@ -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;