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[media] V4L: soc_camera_platform: do not leave dangling invalid pointers

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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>
This commit is contained in:
Guennadi Liakhovetski 2011-09-05 13:50:27 -03:00 committed by Mauro Carvalho Chehab
parent 3dcc731a93
commit fff96b6685
1 changed files with 2 additions and 0 deletions
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2
drivers/media/video/soc_camera_platform.c
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@ -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);