mm: avoid repeated anon_vma lock/unlock sequences in unlink_anon_vmas()

[firefly-linux-kernel-4.4.55.git] / block / genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index 2dd988723d73e98880d271b84dc77ef36b49a0a9..95822ae25cfe3213863d4a1e4d8718eea290afe8 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1728,7 +1728,7 @@ static void disk_add_events(struct gendisk *disk)
 {
        struct disk_events *ev;
 
-       if (!disk->fops->check_events || !(disk->events | disk->async_events))
+       if (!disk->fops->check_events)
                return;
 
        ev = kzalloc(sizeof(*ev), GFP_KERNEL);