From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 1 Sep 2015 16:36:28 +0000 (+0200)
Subject: cgroup: the root cgroup is always populated
X-Git-Tag: v226~54^2~4
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6fd66507378bd8706cba38f82167a54d9d116e43;p=thirdparty%2Fsystemd.git

cgroup: the root cgroup is always populated
---

diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 61681ada8db..98adace55a5 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -918,6 +918,10 @@ int cg_is_empty_recursive(const char *controller, const char *path) {
 
         assert(path);
 
+        /* The root cgroup is always populated */
+        if (controller && (isempty(path) || path_equal(path, "/")))
+                return 0;
+
         r = cg_is_empty(controller, path);
         if (r <= 0)
                 return r;