[PATCH] v4l2-event: v4l2_event_queue: do nothing if vdev == NULL

[Hans Verkuil <hverkuil@xxxxxxxxx>]

If the vdev pointer == NULL, then just return.

This makes it easier for subdev drivers to use this function without having to
check if the sd->devnode pointer is NULL or not.

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>

diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c
index 8761aab..8d3171c 100644
--- a/drivers/media/v4l2-core/v4l2-event.c
+++ b/drivers/media/v4l2-core/v4l2-event.c
@@ -172,6 +172,9 @@ void v4l2_event_queue(struct video_device *vdev, const struct v4l2_event *ev)
 	unsigned long flags;
 	struct timespec timestamp;

+	if (vdev == NULL)
+		return;
+
 	ktime_get_ts(&timestamp);

 	spin_lock_irqsave(&vdev->fh_lock, flags);
--
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