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>
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@@ -295,15 +295,10 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
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*/
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static irqreturn_t sonic_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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struct net_device *dev = dev_id;
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struct sonic_local *lp = netdev_priv(dev);
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int status;
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if (dev == NULL) {
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printk(KERN_ERR "sonic_interrupt: irq %d for unknown device.\n", irq);
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return IRQ_NONE;
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}
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if (!(status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT))
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return IRQ_NONE;
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