[media] omap3isp: Check v4l2_of_parse_endpoint() return value

The v4l2_of_parse_endpoint() function can fail so check the return value.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 67efa9e..f9e5245 100644 (file)
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -2235,8 +2235,11 @@ static int isp_of_parse_node(struct device *dev, struct device_node *node,
        struct isp_bus_cfg *buscfg = &isd->bus;
        struct v4l2_of_endpoint vep;
        unsigned int i;
+       int ret;
 
-       v4l2_of_parse_endpoint(node, &vep);
+       ret = v4l2_of_parse_endpoint(node, &vep);
+       if (ret)
+               return ret;
 
        dev_dbg(dev, "parsing endpoint %s, interface %u\n", node->full_name,
                vep.base.port);