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dm clone: call kmem_cache_destroy() in dm_clone_init() error path
author
Mike Snitzer
<snitzer@kernel.org>
Tue, 4 Apr 2023 15:59:00 +0000
(11:59 -0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 11 May 2023 14:03:41 +0000
(23:03 +0900)
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>
drivers/md/dm-clone-target.c
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diff --git
a/drivers/md/dm-clone-target.c
b/drivers/md/dm-clone-target.c
index
29e0b85
..
e088081
100644
(file)
--- 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;
}