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virtio_test: verify if virtqueue_kick() succeeded

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Verify if a host kick succeeded by checking return value of virtqueue_kick().

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Heinz Graalfs 2013-10-29 09:40:11 +10:30 • committed by Rusty Russell
commit 53c18c9906
1 changed files with 2 additions and 1 deletions
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3
tools/virtio/virtio_test.c
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@ -172,7 +172,8 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq,
GFP_ATOMIC);
if (likely(r == 0)) {
++started;
virtqueue_kick(vq->vq);
if (unlikely(!virtqueue_kick(vq->vq))
r = -1;
}
} else
r = -1;