cgroups/cgfsng: fix get_controllers() for cgroup2

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 4818fc15f85ec2a1b5949d3d5a2f139b57e162ec..cd0b5c72048fb4f6ef1b399321b803032f8fb146 100644 (file)
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -786,7 +786,7 @@ static char **get_controllers(char **klist, char **nlist, char *line)
        /* cgroup v2 does not have separate mountpoints for controllers */
        if (is_cgroup_v2) {
                must_append_controller(klist, nlist, &aret, "cgroup2");
-               return NULL;
+               return aret;
        }
 
        /* strdup() here for v1 hierarchies. Otherwise strtok_r() will destroy