From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> Add the missing unlock before return from function fill_balloon() in the error handling case. Introduced by 9864a8(virtio_balloon: introduce migration primitives to balloon pages) dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> --- drivers/virtio/virtio_balloon.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index f70151b..72e8dcb 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -152,8 +152,10 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num) } /* Didn't get any? Oh well. */ - if (vb->num_pfns == 0) + if (vb->num_pfns == 0) { + mutex_unlock(&vb->balloon_lock); return; + } tell_host(vb, vb->inflate_vq); mutex_unlock(&vb->balloon_lock); _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization