[PATCH] dm raid: add cleanup in raid_ctr()

[Wenwen Wang]

If rs_prepare_reshape() fails, no cleanup is executed, leading to
memory/resource leaks. To fix this issue, go to the label 'bad' if the
error occurs.

Signed-off-by: Wenwen Wang <wen...@cs.uga.edu>
---
 drivers/md/dm-raid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 8a60a4a..1f933dd 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3194,7 +3194,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int 
argc, char **argv)
                          */
                        r = rs_prepare_reshape(rs);
                        if (r)
-                               return r;
+                               goto bad;
 
                        /* Reshaping ain't recovery, so disable recovery */
                        rs_setup_recovery(rs, MaxSector);
-- 
2.7.4