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au1000_eth: remove useless check
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>
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1 changed files with 1 additions and 6 deletions
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@ -1239,12 +1239,7 @@ static int au1000_rx(struct net_device *dev)
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*/
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static irqreturn_t au1000_interrupt(int irq, void *dev_id)
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{
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struct net_device *dev = (struct net_device *) dev_id;
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if (dev == NULL) {
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printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name);
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return IRQ_RETVAL(1);
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}
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struct net_device *dev = dev_id;
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/* Handle RX interrupts first to minimize chance of overrun */
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