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Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index b9e2d85d59b1..1a815f275849 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -647,12 +647,12 @@ struct cgrp_cset_link {
*/
struct css_set init_css_set = {
.refcount = ATOMIC_INIT(1),
- .cgrp_links = LIST_HEAD_INIT(init_css_set.cgrp_links),
.tasks = LIST_HEAD_INIT(init_css_set.tasks),
.mg_tasks = LIST_HEAD_INIT(init_css_set.mg_tasks),
+ .task_iters = LIST_HEAD_INIT(init_css_set.task_iters),
+ .cgrp_links = LIST_HEAD_INIT(init_css_set.cgrp_links),
.mg_preload_node = LIST_HEAD_INIT(init_css_set.mg_preload_node),
.mg_node = LIST_HEAD_INIT(init_css_set.mg_node),
- .task_iters = LIST_HEAD_INIT(init_css_set.task_iters),
};
static int css_set_count = 1; /* 1 for init_css_set */
@@ -1095,13 +1095,13 @@ static struct css_set *find_css_set(struct css_set *old_cset,
}
atomic_set(&cset->refcount, 1);
- INIT_LIST_HEAD(&cset->cgrp_links);
INIT_LIST_HEAD(&cset->tasks);
INIT_LIST_HEAD(&cset->mg_tasks);
- INIT_LIST_HEAD(&cset->mg_preload_node);
- INIT_LIST_HEAD(&cset->mg_node);
INIT_LIST_HEAD(&cset->task_iters);
INIT_HLIST_NODE(&cset->hlist);
+ INIT_LIST_HEAD(&cset->cgrp_links);
+ INIT_LIST_HEAD(&cset->mg_preload_node);
+ INIT_LIST_HEAD(&cset->mg_node);
/* Copy the set of subsystem state objects generated in
* find_existing_css_set() */
@@ -4384,6 +4384,9 @@ int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from)
struct task_struct *task;
int ret;
+ if (cgroup_on_dfl(to))
+ return -EINVAL;
+
if (!cgroup_may_migrate_to(to))
return -EBUSY;