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>
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

View File

@@ -1084,19 +1084,13 @@ static irqreturn_t sb1000_interrupt(int irq, void *dev_id)
char *name;
unsigned char st;
int ioaddr[2];
struct net_device *dev = (struct net_device *) dev_id;
struct net_device *dev = dev_id;
struct sb1000_private *lp = netdev_priv(dev);
const unsigned char Command0[6] = {0x80, 0x2c, 0x00, 0x00, 0x00, 0x00};
const unsigned char Command1[6] = {0x80, 0x2e, 0x00, 0x00, 0x00, 0x00};
const int MaxRxErrorCount = 6;
if (dev == NULL) {
printk(KERN_ERR "sb1000_interrupt(): irq %d for unknown device.\n",
irq);
return IRQ_NONE;
}
ioaddr[0] = dev->base_addr;
/* mem_start holds the second I/O address */
ioaddr[1] = dev->mem_start;