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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-11-11 11:22:20 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-19 09:02:19 -0700
commitdc64836942762c64b155729921acb2841570d16e (patch)
tree70d74469d9bbb233ce796c508ba880b9f24abe5f /drivers/media
parentf043ddb60c84ea64a23b755004572afe922e653c (diff)
omap3isp: ccdc: Fix crash in HS/VS interrupt handler
commit bd0f2e6da7ea9e225cb2dbd3229e25584b0e9538 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/omap3isp/ispccdc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index 54a4a3f22e2..a319281301f 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -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;