diff options
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 7cc77adb18bb..03dc2c95d62e 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3871,6 +3871,9 @@ static bool flush_workqueue_prep_pwqs(struct workqueue_struct *wq, static void touch_wq_lockdep_map(struct workqueue_struct *wq) { #ifdef CONFIG_LOCKDEP + if (unlikely(!wq->lockdep_map)) + return; + if (wq->flags & WQ_BH) local_bh_disable(); |