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>
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 7ad0a54..f791bf0 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -912,16 +912,11 @@
static irqreturn_t
el3_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *)dev_id;
+ struct net_device *dev = dev_id;
struct el3_private *lp;
int ioaddr, status;
int i = max_interrupt_work;
- if (dev == NULL) {
- printk ("el3_interrupt(): irq %d for unknown device.\n", irq);
- return IRQ_NONE;
- }
-
lp = netdev_priv(dev);
spin_lock(&lp->lock);