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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2011-09-05 13:50:27 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-03 18:28:45 -0200
commitfff96b6685d6fec14deaacbce9e27fbb8feed53d (patch)
tree997c654039059454731f7b5466d2dc2a088d589b
parent3dcc731a93679d75a1f90a969b34aa9d7acd1cbf (diff)
downloadpowerpc-fff96b6685d6fec14deaacbce9e27fbb8feed53d.tar.gz
[media] V4L: soc_camera_platform: do not leave dangling invalid pointers
The life-time of soc-camera device objects can be longer, than the time, it is attached to a client driver, therefore all references to the driver own data have to be cleared, when the driver is detached. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/soc_camera_platform.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c
index f5ebe59a55552f..c8f6b188496dc7 100644
--- a/drivers/media/video/soc_camera_platform.c
+++ b/drivers/media/video/soc_camera_platform.c
@@ -173,7 +173,9 @@ evdrs:
static int soc_camera_platform_remove(struct platform_device *pdev)
{
struct soc_camera_platform_priv *priv = get_priv(pdev);
+ struct soc_camera_platform_info *p = v4l2_get_subdevdata(&priv->subdev);
+ p->icd->control = NULL;
v4l2_device_unregister_subdev(&priv->subdev);
platform_set_drvdata(pdev, NULL);
kfree(priv);