au1000_eth: remove useless check
authorFrancois Romieu <romieu@fr.zoreil.com>
Mon, 12 May 2008 16:44:21 +0000 (18:44 +0200)
committerJeff Garzik <jgarzik@redhat.com>
Thu, 22 May 2008 10:20:14 +0000 (06:20 -0400)
The lifespan of the device covers the request_irq .. free_irq interval.

The cast of a void * pointer is not needed either.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/net/au1000_eth.c

index 3634b5fd791964d88bf42bd3785402b79e0fc44a..7023d77bf380ffb31f42042e3b11a6cbedb5d3f9 100644 (file)
@@ -1239,12 +1239,7 @@ static int au1000_rx(struct net_device *dev)
  */
 static irqreturn_t au1000_interrupt(int irq, void *dev_id)
 {
-       struct net_device *dev = (struct net_device *) dev_id;
-
-       if (dev == NULL) {
-               printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name);
-               return IRQ_RETVAL(1);
-       }
+       struct net_device *dev = dev_id;
 
        /* Handle RX interrupts first to minimize chance of overrun */