From: Mike Snitzer <snitzer@kernel.org>
Date: Tue, 4 Apr 2023 15:59:00 +0000 (-0400)
Subject: dm clone: call kmem_cache_destroy() in dm_clone_init() error path
X-Git-Tag: v6.1.37~1444
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21d5198c210c3c8768be8f7e0c1e6dff6ea7259d;p=platform%2Fkernel%2Flinux-starfive.git

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 <snitzer@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/md/dm-clone-target.c b/drivers/md/dm-clone-target.c
index 29e0b85..e088081 100644
--- a/drivers/md/dm-clone-target.c
+++ b/drivers/md/dm-clone-target.c
@@ -2205,6 +2205,7 @@ 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;
 	}