[PATCH] overlay: remove not necessary lock check.

[youngjun]

dir is always locked until "out_unlock" label.
So lock check is not needed.

Signed-off-by: youngjun <her0gyu...@gmail.com>
---
 fs/overlayfs/super.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 732ad5495c92..43257c18fe26 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -615,10 +615,8 @@ static struct dentry *ovl_workdir_create(struct ovl_fs 
*ofs,
        struct dentry *work;
        int err;
        bool retried = false;
-       bool locked = false;
 
        inode_lock_nested(dir, I_MUTEX_PARENT);
-       locked = true;
 
 retry:
        work = lookup_one_len(name, ofs->workbasedir, strlen(name));
@@ -680,9 +678,7 @@ static struct dentry *ovl_workdir_create(struct ovl_fs *ofs,
                goto out_err;
        }
 out_unlock:
-       if (locked)
-               inode_unlock(dir);
-
+       inode_unlock(dir);
        return work;
 
 out_dput:
-- 
2.17.1