cgroups: fix braino during controller list creation

Co-mounted controllers are conventionally separated by ",".

Fixes: https://jenkins.linuxcontainers.org/job/lxd-github-commit/1905/arch=amd64,backend=dir,compiler=golang-1.15/consoleFull
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 283b0dbe1d8629a3d165f049ea44da925bd795de..e4617179d968633646b40bc8229aaa73a8f91984 100644 (file)
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -337,7 +337,7 @@ static char **list_add_controllers(char *controllers)
        __do_free_string_list char **list = NULL;
        char *it;
 
-       lxc_iterate_parts(it, controllers, " \t\n") {
+       lxc_iterate_parts(it, controllers, ", \t\n") {
                int ret;
 
                ret = list_add_string(&list, it);