[PATCH 4.19 133/191] dm integrity: call kmem_cache_destroy() in dm_integrity_init() error path

From: Mike Snitzer snitzer@kernel.org

commit 6b79a428c02769f2a11f8ae76bf866226d134887 upstream.

Otherwise the journal_io_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-integrity.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3689,11 +3689,13 @@ int __init dm_integrity_init(void) }

r = dm_register_target(&integrity_target); - - if (r < 0) + if (r < 0) { DMERR("register failed %d", r); + kmem_cache_destroy(journal_io_cache); + return r; + }

- return r; + return 0; }

void dm_integrity_exit(void)