media: qcom: camss: Add check for v4l2_fwnode_endpoint_parse

Add check for the return value of v4l2_fwnode_endpoint_parse() and
return the error if it fails in order to catch the error.

Signed-off-by: Chen Ni <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>

Author: Chen Ni

drivers/media/platform/qcom/camss/camss.c

@@ -1695,8 +1695,11 @@ static int camss_of_parse_endpoint_node(struct device *dev,
 	struct v4l2_mbus_config_mipi_csi2 *mipi_csi2;
 	struct v4l2_fwnode_endpoint vep = { { 0 } };
 	unsigned int i;
+	int ret;
 
-	v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep);
+	ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep);
+	if (ret)
+		return ret;
 
 	csd->interface.csiphy_id = vep.base.port;