From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx> Before a timer is freed, del_timer_shutdown() must be called. Link: https://lore.kernel.org/all/20220407161745.7d6754b3@xxxxxxxxxxxxxxxxxx/ Cc: Tejun Heo <tj@xxxxxxxxxx> Cc: Zefan Li <lizefan.x@xxxxxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: cgroups@xxxxxxxxxxxxxxx Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 7f486677ab1f..4b15a481ca2c 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1669,7 +1669,7 @@ static void cgroup_rm_file(struct cgroup *cgrp, const struct cftype *cft) cfile->kn = NULL; spin_unlock_irq(&cgroup_file_kn_lock); - del_timer_sync(&cfile->notify_timer); + del_timer_shutdown(&cfile->notify_timer); } kernfs_remove_by_name(cgrp->kn, cgroup_file_name(cgrp, cft, name)); -- 2.35.1
