Messages in this thread Patch in this message | | | Date | Mon, 12 Nov 2012 21:50:40 +0800 | Subject | [PATCH -next] virtio: balloon: fix missing unlock on error in fill_balloon() | From | Wei Yongjun <> |
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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@trendmicro.com.cn> --- 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);
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