We recently added locking in fill_balloon() but there was one error path
which was missed.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
Only needed in linux-next.
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index f70151b..1c50e98 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -153,9 +153,10 @@ static void fill_balloon(struct virtio_balloon *vb, size_t
num)
/* Didn't get any? Oh well. */
if (vb->num_pfns == 0)
- return;
+ goto unlock;
tell_host(vb, vb->inflate_vq);
+unlock:
mutex_unlock(&vb->balloon_lock);
}
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