tracing: Raw_init() bailout in trace event register fail case

[mirror_ubuntu-bionic-kernel.git] / kernel / timer.c

diff --git a/kernel/timer.c b/kernel/timer.c
index 54d3912f8cadd497d09546ad8b9b1ba42369634d..a7f07d5a6241d882af4466ec3280a89f2681e8c9 100644 (file)
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -380,6 +380,8 @@ static void timer_stats_account_timer(struct timer_list *timer)
 {
        unsigned int flag = 0;
 
+       if (likely(!timer->start_site))
+               return;
        if (unlikely(tbase_get_deferrable(timer->base)))
                flag |= TIMER_STATS_FLAG_DEFERRABLE;
 
@@ -712,7 +714,7 @@ int mod_timer(struct timer_list *timer, unsigned long expires)
         * networking code - if the timer is re-modified
         * to be the same thing then just return:
         */
-       if (timer->expires == expires && timer_pending(timer))
+       if (timer_pending(timer) && timer->expires == expires)
                return 1;
 
        return __mod_timer(timer, expires, false, TIMER_NOT_PINNED);