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-rw-r--r--net/sched/cls_cgroup.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 8cdc18e075fb..31f06b633574 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -41,11 +41,15 @@ static struct cgroup_subsys_state *cgrp_css_alloc(struct cgroup *cgrp)
cs = kzalloc(sizeof(*cs), GFP_KERNEL);
if (!cs)
return ERR_PTR(-ENOMEM);
+ return &cs->css;
+}
+static int cgrp_css_online(struct cgroup *cgrp)
+{
if (cgrp->parent)
- cs->classid = cgrp_cls_state(cgrp->parent)->classid;
-
- return &cs->css;
+ cgrp_cls_state(cgrp)->classid =
+ cgrp_cls_state(cgrp->parent)->classid;
+ return 0;
}
static void cgrp_css_free(struct cgroup *cgrp)
@@ -76,19 +80,11 @@ static struct cftype ss_files[] = {
struct cgroup_subsys net_cls_subsys = {
.name = "net_cls",
.css_alloc = cgrp_css_alloc,
+ .css_online = cgrp_css_online,
.css_free = cgrp_css_free,
.subsys_id = net_cls_subsys_id,
.base_cftypes = ss_files,
.module = THIS_MODULE,
-
- /*
- * While net_cls cgroup has the rudimentary hierarchy support of
- * inheriting the parent's classid on cgroup creation, it doesn't
- * properly propagates config changes in ancestors to their
- * descendents. A child should follow the parent's configuration
- * but be allowed to override it. Fix it and remove the following.
- */
- .broken_hierarchy = true,
};
struct cls_cgroup_head {