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cpmac: prevent fatal exception in cpmac_end_xmit 

We should not be stopping the subqueues in cpmac_end_xmit
but rather test the status of them. Replace the calls to
netif_subqueue_stop by __netif_subqueue_stopped. This
fixes an unrecoverable exception from happening when
running the driver.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Stefan Weil 2009-05-31 10:59:15 +00:00 committed by David S. Miller
parent 69bd4ae5dc
commit 0220ff7fc3
1 changed files with 2 additions and 2 deletions
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4
drivers/net/cpmac.c
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@ -615,13 +615,13 @@ static void cpmac_end_xmit(struct net_device *dev, int queue)
dev_kfree_skb_irq(desc->skb);
desc->skb = NULL;
if (netif_subqueue_stopped(dev, queue))
if (__netif_subqueue_stopped(dev, queue))
netif_wake_subqueue(dev, queue);
} else {
if (netif_msg_tx_err(priv) && net_ratelimit())
printk(KERN_WARNING
"%s: end_xmit: spurious interrupt\n", dev->name);
if (netif_subqueue_stopped(dev, queue))
if (__netif_subqueue_stopped(dev, queue))
netif_wake_subqueue(dev, queue);
}
}