logfs: fix a leak in get_sb

a) switch ->put_device() to logfs_super *
b) actually call it on early failures in logfs_get_sb_device()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index f57a150b4779..f07d40e41c3f 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -529,7 +529,7 @@ static void logfs_kill_sb(struct super_block *sb)
         logfs_cleanup_rw(sb);
         if (super->s_erase_page)
                 __free_page(super->s_erase_page);
-        super->s_devops->put_device(sb);
+        super->s_devops->put_device(super);
         logfs_mempool_destroy(super->s_btree_pool);
         logfs_mempool_destroy(super->s_alias_pool);
         kfree(super);
@@ -586,8 +586,8 @@ err1:
         deactivate_locked_super(sb);
         return err;
 err0:
+        super->s_devops->put_device(super);
         kfree(super);
-        //devops->put_device(sb);
         return err;
 }