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xen-netback: delete NAPI instance when queue fails to initialize

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When xenvif_connect() fails it may leave a stale NAPI instance added to
the device.  Make sure we delete it in the error path.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Vrabel 2016-01-15 14:55:35 +00:00 committed by David S. Miller
parent 99a2dea50d
commit 4a65852727
1 changed files with 1 additions and 0 deletions
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drivers/net/xen-netback/interface.c
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@ -615,6 +615,7 @@ err_tx_unbind:
queue->tx_irq = 0;
err_unmap:
xenvif_unmap_frontend_rings(queue);
netif_napi_del(&queue->napi);
err:
module_put(THIS_MODULE);
return err;