Commit-ID: 5b9e886a4af97574ca3ce1147f35545da0e7afc7 Gitweb: https://git.kernel.org/tip/5b9e886a4af97574ca3ce1147f35545da0e7afc7 Author: Peter Zijlstra <pet...@infradead.org> AuthorDate: Mon, 30 Apr 2018 12:00:11 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 2 May 2018 16:10:40 +0200
clocksource: Initialize cs->wd_list A number of places relies on list_empty(&cs->wd_list), however the list_head does not get initialized. Do so upon registration, such that thereafter it is possible to rely on list_empty() correctly reflecting the list membership status. Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Tested-by: Diego Viola <diego.vi...@gmail.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> Cc: sta...@vger.kernel.org Cc: len.br...@intel.com Cc: r...@rjwysocki.net Cc: rui.zh...@intel.com Link: https://lkml.kernel.org/r/20180430100344.472662...@infradead.org --- kernel/time/clocksource.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index c3d2b94723dc..935f39eb8aac 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -332,6 +332,8 @@ static void clocksource_resume_watchdog(void) static void clocksource_enqueue_watchdog(struct clocksource *cs) { + INIT_LIST_HEAD(&cs->wd_list); + if (cs->flags & CLOCK_SOURCE_MUST_VERIFY) { /* cs is a clocksource to be watched. */ list_add(&cs->wd_list, &watchdog_list);
