From ae11e0f18482bfe0cd83b9b61434ea7e0bd94e25 Mon Sep 17 00:00:00 2001
From: Zhao Hongjiang <zhaohongjiang@huawei.com>
Date: Thu, 13 Sep 2012 16:38:03 +0800
Subject: [PATCH] userns: fix return value on mntns_install() failure

Change return value from -EINVAL to -EPERM when the permission check fails.

Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 fs/namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 9ddc86f93221..cab78a74aca3 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2775,7 +2775,7 @@ static int mntns_install(struct nsproxy *nsproxy, void *ns)
 
 	if (!ns_capable(mnt_ns->user_ns, CAP_SYS_ADMIN) ||
 	    !nsown_capable(CAP_SYS_CHROOT))
-		return -EINVAL;
+		return -EPERM;
 
 	if (fs->users != 1)
 		return -EINVAL;
-- 
2.20.1