dm bufio: add missed destroys of client mutex

The client's mutex needs to be destroyed in dm_bufio_client_destroy() as
well as the dm_bufio_client_create() error path.

Signed-off-by: Aliaksei Karaliou <akaraliou.dev@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 951a6356fbec..1d130130f264 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1767,6 +1767,7 @@ bad_cache:
         }
         dm_io_client_destroy(c->dm_io);
 bad_dm_io:
+        mutex_destroy(&c->lock);
         kfree(c);
 bad_client:
         return ERR_PTR(r);
@@ -1811,6 +1812,7 @@ void dm_bufio_client_destroy(struct dm_bufio_client *c)
                 BUG_ON(c->n_buffers[i]);
 
         dm_io_client_destroy(c->dm_io);
+        mutex_destroy(&c->lock);
         kfree(c);
 }
 EXPORT_SYMBOL_GPL(dm_bufio_client_destroy);