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>
This commit is contained in:
Zhao Hongjiang 2012-09-13 16:38:03 +08:00 • committed by Eric W. Biederman
commit ae11e0f184