From 600a328fc28c521ee19a0a1c22b14e6011275c20 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 21 Nov 2010 22:29:10 +0100
Subject: [PATCH] mount: do not try to mount disable cgroup controllers

https://bugzilla.redhat.com/show_bug.cgi?id=655222
---
 TODO              | 2 +-
 src/mount-setup.c | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/TODO b/TODO
index b083529b..12e292ef 100644
--- a/TODO
+++ b/TODO
@@ -28,7 +28,7 @@
 
 * set_put(), hashmap_put() return values check. i.e. == 0 doesn't free()!
 
-* chkconfig/systemd-install glue
+* chkconfig/systemd enable glue
 
 * io priority during initialization
 
diff --git a/src/mount-setup.c b/src/mount-setup.c
index 14ac1812..7eb806e7 100644
--- a/src/mount-setup.c
+++ b/src/mount-setup.c
@@ -138,8 +138,9 @@ static int mount_cgroup_controllers(void) {
         for (;;) {
                 MountPoint p;
                 char *controller, *where;
+                int enabled = false;
 
-                if (fscanf(f, "%ms %*i %*i %*i", &controller) != 1) {
+                if (fscanf(f, "%ms %*i %*i %i", &controller, &enabled) != 1) {
 
                         if (feof(f))
                                 break;
@@ -149,6 +150,11 @@ static int mount_cgroup_controllers(void) {
                         goto finish;
                 }
 
+                if (!enabled) {
+                        free(controller);
+                        continue;
+                }
+
                 if (asprintf(&where, "/sys/fs/cgroup/%s", controller) < 0) {
                         free(controller);
                         r = -ENOMEM;
-- 
2.39.5