video: fbdev: omapfb: simplify the return expression of nec_8048_connect()

Simplify the return expression.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Helge Deller <deller@gmx.de>

drivers/video/fbdev/omap2/omapfb/displays/panel-nec-nl8048hl11.c

@@ -117,16 +117,11 @@ static int nec_8048_connect(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
 	struct omap_dss_device *in = ddata->in;
-	int r;
 
 	if (omapdss_device_is_connected(dssdev))
 		return 0;
 
-	r = in->ops.dpi->connect(in, dssdev);
-	if (r)
-		return r;
-
-	return 0;
+	return in->ops.dpi->connect(in, dssdev);
 }
 
 static void nec_8048_disconnect(struct omap_dss_device *dssdev)