From: Guennadi Liakhovetski Date: Mon, 5 Sep 2011 16:50:27 +0000 (-0300) Subject: [media] V4L: soc_camera_platform: do not leave dangling invalid pointers X-Git-Tag: upstream/snapshot3+hdmi~7520^2~796 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fff96b6685d6fec14deaacbce9e27fbb8feed53d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git [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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c index f5ebe59..c8f6b18 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);