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[media] omap3isp: ccdc: Fix crash in HS/VS interrupt handler 

The HS/VS interrupt handler needs to access the pipeline object. It
erronously tries to get it from the CCDC output video node, which isn't
necessarily included in the pipeline. This leads to a NULL pointer
dereference.

Fix the bug by getting the pipeline object from the CCDC subdev entity.

Reported-by: Gary Thomas <gary@mlbassoc.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2011-11-11 11:22:20 -03:00 committed by Mauro Carvalho Chehab
parent ec0cae7a56
commit bd0f2e6da7
1 changed files with 1 additions and 2 deletions
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3
drivers/media/video/omap3isp/ispccdc.c
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@ -1406,8 +1406,7 @@ static int __ccdc_handle_stopping(struct isp_ccdc_device *ccdc, u32 event)
static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc)
{
struct isp_pipeline *pipe =
to_isp_pipeline(&ccdc->video_out.video.entity);
struct isp_pipeline *pipe = to_isp_pipeline(&ccdc->subdev.entity);
struct video_device *vdev = &ccdc->subdev.devnode;
struct v4l2_event event;