From: Mike Snitzer <snitzer@redhat.com>
Date: Tue, 13 Oct 2015 16:04:28 +0000 (-0400)
Subject: dm thin: fix missing pool reference count decrement in pool_ctr error path
X-Git-Tag: v4.2.5~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15c6fd0e468f82b59799ab5e066dcf3e52cc7a36;p=thirdparty%2Fkernel%2Fstable.git

dm thin: fix missing pool reference count decrement in pool_ctr error path

commit ba30670f4d5292c4e7f7980bbd5071f7c4794cdd upstream.

Fixes: ac8c3f3df ("dm thin: generate event when metadata threshold passed")
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 75aef240c2d1a..493c38e08bd26 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3255,7 +3255,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
 						metadata_low_callback,
 						pool);
 	if (r)
-		goto out_free_pt;
+		goto out_flags_changed;
 
 	pt->callbacks.congested_fn = pool_is_congested;
 	dm_table_add_target_callbacks(ti->table, &pt->callbacks);