cgroup: initialize cgrp->allcg_node in init_cgroup_housekeeping()

Not strictly necessary but it's annoying to have uninitialized
list_head around.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index d0803f097f87ead7348445db6ce789c0effff1c5..ed0e177c465056f6170f647198a495f133a597e8 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1381,6 +1381,7 @@ static void init_cgroup_housekeeping(struct cgroup *cgrp)
        INIT_LIST_HEAD(&cgrp->children);
        INIT_LIST_HEAD(&cgrp->files);
        INIT_LIST_HEAD(&cgrp->css_sets);
+       INIT_LIST_HEAD(&cgrp->allcg_node);
        INIT_LIST_HEAD(&cgrp->release_list);
        INIT_LIST_HEAD(&cgrp->pidlists);
        mutex_init(&cgrp->pidlist_mutex);