Use list_del_init() rather than list_del() to remove events from
cgrp->event_list. No functional change. This is just defensive
coding.
Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
---
kernel/cgroup.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a0d75bb..44c319d 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -3766,7 +3766,7 @@ static int cgroup_event_wake(wait_queue_t *wait, unsigned mode,
if (flags & POLLHUP) {
__remove_wait_queue(event->wqh, &event->wait);
spin_lock(&cgrp->event_list_lock);
- list_del(&event->list);
+ list_del_init(&event->list);
spin_unlock(&cgrp->event_list_lock);
/*
* We are in atomic context, but cgroup_event_remove() may
@@ -4340,7 +4340,7 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
list_splice_init(&cgrp->event_list, &tmp_list);
spin_unlock(&cgrp->event_list_lock);
list_for_each_entry_safe(event, tmp, &tmp_list, list) {
- list_del(&event->list);
+ list_del_init(&event->list);
remove_wait_queue(event->wqh, &event->wait);
eventfd_signal(event->eventfd, 1);
schedule_work(&event->remove);
--
1.7.7.3
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