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xen-netback: Disable NAPI after disabling interrupts

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Otherwise the interrupt handler still calls napi_complete. Although it
won't schedule NAPI again as either NAPI_STATE_DISABLE or
NAPI_STATE_SCHED is set, it is just unnecessary, and it makes more
sense to do this way.

Signed-off-by: Zoltan Kiss <zoltan.kiss@linaro.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zoltan Kiss 2014-10-28 15:29:30 +00:00 committed by David S. Miller
parent 7fd2561e4e
commit 8fe78989c3
1 changed files with 1 additions and 1 deletions
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2
drivers/net/xen-netback/interface.c
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@ -281,10 +281,10 @@ static void xenvif_down(struct xenvif *vif)
for (queue_index = 0; queue_index < num_queues; ++queue_index) {
queue = &vif->queues[queue_index];
napi_disable(&queue->napi);
disable_irq(queue->tx_irq);
if (queue->tx_irq != queue->rx_irq)
disable_irq(queue->rx_irq);
napi_disable(&queue->napi);
del_timer_sync(&queue->credit_timeout);
}
}