Use the scoped ovl cred guard.

Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 fs/overlayfs/copy_up.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 604a82acd164..bb0231fc61fc 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -1214,7 +1214,6 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry,
 static int ovl_copy_up_flags(struct dentry *dentry, int flags)
 {
 	int err = 0;
-	const struct cred *old_cred;
 	bool disconnected = (dentry->d_flags & DCACHE_DISCONNECTED);
 
 	/*
@@ -1234,7 +1233,6 @@ static int ovl_copy_up_flags(struct dentry *dentry, int flags)
 	if (err)
 		return err;
 
-	old_cred = ovl_override_creds(dentry->d_sb);
 	while (!err) {
 		struct dentry *next;
 		struct dentry *parent = NULL;
@@ -1254,12 +1252,12 @@ static int ovl_copy_up_flags(struct dentry *dentry, int flags)
 			next = parent;
 		}
 
-		err = ovl_copy_up_one(parent, next, flags);
+		with_ovl_creds(dentry->d_sb)
+			err = ovl_copy_up_one(parent, next, flags);
 
 		dput(parent);
 		dput(next);
 	}
-	ovl_revert_creds(old_cred);
 
 	return err;
 }

-- 
2.47.3