omapfb: simplify the return expression of sharp_ls_connect

Simplify the return expression.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921082444.2591773-1-liushixin2@huawei.com

Author: Liu Shixin

drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c

@@ -59,16 +59,11 @@ static int sharp_ls_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 sharp_ls_disconnect(struct omap_dss_device *dssdev)