From 8fe78989c3445a221cfcc54964e7e62718883615 Mon Sep 17 00:00:00 2001
From: Zoltan Kiss <zoltan.kiss@linaro.org>
Date: Tue, 28 Oct 2014 15:29:30 +0000
Subject: xen-netback: Disable NAPI after disabling interrupts
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>
---
drivers/net/xen-netback/interface.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'drivers/net/xen-netback/interface.c')
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index f379689dde30..7342a6bb5557 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -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);
}
}
--
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