media: ccs: Replace somewhat harsh internal checks based on BUG with WARN_ON

If an internal driver error was encountered, BUG was issued. Instead, do
less harsh WARN_ON_ONCE and try to manage with the consequences.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/ccs/ccs-core.c

@@ -546,6 +546,10 @@ static void ccs_update_mbus_formats(struct ccs_sensor *sensor)
 		to_csi_format_idx(sensor->internal_csi_format) & ~3;
 	unsigned int pixel_order = ccs_pixel_order(sensor);
 
+	if (WARN_ON_ONCE(max(internal_csi_format_idx, csi_format_idx) +
+			 pixel_order >= ARRAY_SIZE(ccs_csi_data_formats)))
+		return;
+
 	sensor->mbus_frame_fmts =
 		sensor->default_mbus_frame_fmts << pixel_order;
 	sensor->csi_format =
@@ -554,9 +558,6 @@ static void ccs_update_mbus_formats(struct ccs_sensor *sensor)
 		&ccs_csi_data_formats[internal_csi_format_idx
 					 + pixel_order];
 
-	BUG_ON(max(internal_csi_format_idx, csi_format_idx) + pixel_order
-	       >= ARRAY_SIZE(ccs_csi_data_formats));
-
 	dev_dbg(&client->dev, "new pixel order %s\n",
 		pixel_order_str[pixel_order]);
 }
@@ -1806,7 +1807,7 @@ static void ccs_propagate(struct v4l2_subdev *subdev,
 		*crops[CCS_PAD_SRC] = *comp;
 		break;
 	default:
-		BUG();
+		WARN_ON_ONCE(1);
 	}
 }