aboutsummaryrefslogtreecommitdiffstats
path: root/tools/virtio
diff options
context:
space:
mode:
authorHeinz Graalfs <graalfs@linux.vnet.ibm.com>2013-10-29 09:40:11 +1030
committerRusty Russell <rusty@rustcorp.com.au>2013-10-29 11:28:16 +1030
commit53c18c990644174935ca93e50d7ebd05e04cb9ee (patch)
treec906d0be66a84112bca5d3dbc89cf3d0f24d2ac7 /tools/virtio
parentvirtio_net: verify if virtqueue_kick() succeeded (diff)
downloadlinux-dev-53c18c990644174935ca93e50d7ebd05e04cb9ee.tar.xz
linux-dev-53c18c990644174935ca93e50d7ebd05e04cb9ee.zip
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>
Diffstat (limited to 'tools/virtio')
-rw-r--r--tools/virtio/virtio_test.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 059cb723f6a7..bdb71a26ae35 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -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;