3.16.60-rc1 review patch. If anyone has any objections, please let me know.
------------------ From: Peter Zijlstra <pet...@infradead.org> commit 5b9e886a4af97574ca3ce1147f35545da0e7afc7 upstream. 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: len.br...@intel.com Cc: r...@rjwysocki.net Cc: rui.zh...@intel.com Link: https://lkml.kernel.org/r/20180430100344.472662...@infradead.org [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <b...@decadent.org.uk> --- kernel/time/clocksource.c | 2 ++ 1 file changed, 2 insertions(+) --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -385,6 +385,8 @@ static void clocksource_enqueue_watchdog { unsigned long flags; + INIT_LIST_HEAD(&cs->wd_list); + spin_lock_irqsave(&watchdog_lock, flags); if (cs->flags & CLOCK_SOURCE_MUST_VERIFY) { /* cs is a clocksource to be watched. */
