From a999d7e161a085e30181d0a88f049bd92112e172 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@redhat.com>
Date: Fri, 29 Jul 2016 12:05:23 +0200
Subject: ovl: permission: return ECHILD instead of ENOENT

The error is due to RCU and is temporary.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 041db9c..0598c16 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -128,7 +128,7 @@ int ovl_permission(struct inode *inode, int mask)
 	realinode = d_inode_rcu(realdentry);
 	if (!realinode) {
 		WARN_ON(!(mask & MAY_NOT_BLOCK));
-		return -ENOENT;
+		return -ECHILD;
 	}
 
 	/*
-- 
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