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/3c523.c b/drivers/net/3c523.c
index 1c97271..9184946 100644
--- a/drivers/net/3c523.c
+++ b/drivers/net/3c523.c
@@ -902,14 +902,11 @@
static irqreturn_t
elmc_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *) dev_id;
+ struct net_device *dev = dev_id;
unsigned short stat;
struct priv *p;
- if (dev == NULL) {
- printk(KERN_ERR "elmc-interrupt: irq %d for unknown device.\n", irq);
- return IRQ_NONE;
- } else if (!netif_running(dev)) {
+ if (!netif_running(dev)) {
/* The 3c523 has this habit of generating interrupts during the
reset. I'm not sure if the ni52 has this same problem, but it's
really annoying if we haven't finished initializing it. I was