virtio_test: verify if virtqueue_kick() succeeded
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>
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1 changed files with 2 additions and 1 deletions
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@ -172,7 +172,8 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq,
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GFP_ATOMIC);
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if (likely(r == 0)) {
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++started;
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virtqueue_kick(vq->vq);
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if (unlikely(!virtqueue_kick(vq->vq))
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r = -1;
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}
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} else
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r = -1;
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