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virtio: fix error handling for debug builds
author
Michael S. Tsirkin
<mst@redhat.com>
Wed, 3 Aug 2016 04:18:51 +0000
(07:18 +0300)
committer
Michael S. Tsirkin
<mst@redhat.com>
Tue, 9 Aug 2016 10:42:35 +0000
(13:42 +0300)
On error, virtqueue_add calls START_USE but not
END_USE. Thankfully that's normally empty anyway,
but might not be when debugging. Fix it up.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/virtio/virtio_ring.c
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diff --git
a/drivers/virtio/virtio_ring.c
b/drivers/virtio/virtio_ring.c
index
5ed228d
..
e383ecd
100644
(file)
--- a/
drivers/virtio/virtio_ring.c
+++ b/
drivers/virtio/virtio_ring.c
@@
-428,6
+428,7
@@
unmap_release:
if (indirect)
kfree(desc);
+ END_USE(vq);
return -EIO;
}