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[media] omap3isp: Don't ignore failure to locate external subdev 

A failure to locate the external subdev for a non memory-to-memory
pipeline is a fatal error, don't ignore it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Tested-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Laurent Pinchart 2014-02-14 21:45:50 -03:00 committed by Mauro Carvalho Chehab
parent 4b2f1ed15e
commit 7c486c0fe6
1 changed files with 2 additions and 2 deletions
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4
drivers/media/platform/omap3isp/ispvideo.c
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@ -886,7 +886,7 @@ static int isp_video_check_external_subdevs(struct isp_video *video,
struct v4l2_ext_controls ctrls;
struct v4l2_ext_control ctrl;
unsigned int i;
int ret = 0;
int ret;
/* Memory-to-memory pipelines have no external subdev. */
if (pipe->input != NULL)
@ -909,7 +909,7 @@ static int isp_video_check_external_subdevs(struct isp_video *video,
if (!source) {
dev_warn(isp->dev, "can't find source, failing now\n");
return ret;
return -EINVAL;
}
if (media_entity_type(source) != MEDIA_ENT_T_V4L2_SUBDEV)