--- zzzz-none-000/linux-3.10.107/sound/core/seq/oss/seq_oss_writeq.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/core/seq/oss/seq_oss_writeq.c	2021-02-04 17:41:59.000000000 +0000
@@ -138,9 +138,7 @@
 	spin_lock_irqsave(&q->sync_lock, flags);
 	q->sync_time = time;
 	q->sync_event_put = 0;
-	if (waitqueue_active(&q->sync_sleep)) {
-		wake_up(&q->sync_sleep);
-	}
+	wake_up(&q->sync_sleep);
 	spin_unlock_irqrestore(&q->sync_lock, flags);
 }