ext3: destroy sbi mutexes in put_super

Call mutex_destroy() on superblock mutexes in ext3_put_super().
Otherwise mutex debugging code isn't able to detect that mutex is used
after being freed.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 9b4e7d750d4f..d4dbf3c259b3 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -466,6 +466,8 @@ static void ext3_put_super (struct super_block * sb)
         }
         sb->s_fs_info = NULL;
         kfree(sbi->s_blockgroup_lock);
+        mutex_destroy(&sbi->s_orphan_lock);
+        mutex_destroy(&sbi->s_resize_lock);
         kfree(sbi);
 }