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>
mariux64 · Nov 19, 2012 · ae11e0f · ae11e0f
1 parent 0c55cfc
commit ae11e0f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;