From 717ceb487bc30bc32ccb99fa5966a4f5f4e84686 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Tue, 4 Apr 2023 11:59:00 -0400 Subject: [PATCH] dm clone: call kmem_cache_destroy() in dm_clone_init() error path commit 6827af4a9a9f5bb664c42abf7c11af4978d72201 upstream. Otherwise the _hydration_cache will leak if dm_register_target() fails. Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-clone-target.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-clone-target.c b/drivers/md/dm-clone-target.c index 0d38ad623534..e3156b30294f 100644 --- a/drivers/md/dm-clone-target.c +++ b/drivers/md/dm-clone-target.c @@ -2221,6 +2221,7 @@ static int __init dm_clone_init(void) r = dm_register_target(&clone_target); if (r < 0) { DMERR("Failed to register clone target"); + kmem_cache_destroy(_hydration_cache); return r; }