The patch titled Subject: virtio: balloon: fix missing unlock on error in fill_balloon() has been added to the -mm tree. Its filename is virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> Subject: virtio: balloon: fix missing unlock on error in fill_balloon() 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> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/virtio/virtio_balloon.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff -puN drivers/virtio/virtio_balloon.c~virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix drivers/virtio/virtio_balloon.c --- a/drivers/virtio/virtio_balloon.c~virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix +++ a/drivers/virtio/virtio_balloon.c @@ -152,8 +152,10 @@ static void fill_balloon(struct virtio_b } /* 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); _ Patches currently in -mm which might be from yongjun_wei@xxxxxxxxxxxxxxxxx are linux-next.patch virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix.patch virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix-fix.patch procfs-use-kbasename-fix.patch rtc-avoid-calling-platform_device_put-twice-in-test_init.patch rtc-avoid-calling-platform_device_put-twice-in-test_init-fix.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html