Commit 8d1d3d00 authored Apr 06, 2017 by Helen Fornazier Committed by Mauro Carvalho Chehab Apr 19, 2017

[media] media-entity: only call dev_dbg_obj if mdev is not NULL



Fix kernel Oops NULL pointer deference
Call dev_dbg_obj only after checking if gobj->mdev is not NULL

Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

parent 242b0c4c

drivers/media/media-entity.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -199,12 +199,12 @@ void media_gobj_create(struct media_device *mdev,

		void media_gobj_destroy(struct media_gobj *gobj)
		{
		dev_dbg_obj(__func__, gobj);

		/* Do nothing if the object is not linked. */
		if (gobj->mdev == NULL)
		return;

		dev_dbg_obj(__func__, gobj);

		gobj->mdev->topology_version++;

		/* Remove the object from mdev list */