From: Mike Snitzer <snitzer@xxxxxxxxxx>
commit 6b79a428c02769f2a11f8ae76bf866226d134887 upstream.
Otherwise the journal_io_cache will leak if dm_register_target() fails.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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)
