From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Tue, 23 Jun 2015 09:20:23 +0000 (-0300)
Subject: [media] v4l2-event: v4l2_event_queue: do nothing if vdev == NULL
X-Git-Tag: v4.3-rc1~12^2~177
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=fb8dfda980bdaf178a7addb0a4f68574e390a9d9;p=linux.git

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

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@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c
index 8761aab99de9..8d3171c6bee8 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);