From 1083e4183f8fab3a2b40a6af47c1736b32769d70 Mon Sep 17 00:00:00 2001
From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Fri, 23 Nov 2012 10:44:39 +0000
Subject: [PATCH] Treat missing driver cgroup as fatal in LXC driver

The LXC driver relies on use of cgroups to kill off LXC processes
in shutdown. If cgroups aren't available, we're unable to kill
off processes, so we must treat lack of cgroups as a fatal startup
error.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
(cherry picked from commit 7c5ba648f7bab628b2965f699ad1fed524f6141a)
---
 src/lxc/lxc_cgroup.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/lxc/lxc_cgroup.c b/src/lxc/lxc_cgroup.c
index ed86b4368e..912233fa34 100644
--- a/src/lxc/lxc_cgroup.c
+++ b/src/lxc/lxc_cgroup.c
@@ -229,10 +229,6 @@ int virLXCCgroupSetup(virDomainDefPtr def)
 
     rc = virCgroupForDriver("lxc", &driver, 1, 0);
     if (rc != 0) {
-        /* Skip all if no driver cgroup is configured */
-        if (rc == -ENXIO || rc == -ENOENT)
-            return 0;
-
         virReportSystemError(-rc, "%s",
                              _("Unable to get cgroup for driver"));
         goto cleanup;