drm/bridge: samsung-dsim: check the return value only if necessary

It was useless to check again the "ret" variable if the function
register_host() was not called.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231207161056.183442-1-dario.binacchi@amarulasolutions.com

drivers/gpu/drm/bridge/samsung-dsim.c

@@ -2020,11 +2020,11 @@ int samsung_dsim_probe(struct platform_device *pdev)
 	else
 		dsi->bridge.timings = &samsung_dsim_bridge_timings_de_high;
 
-	if (dsi->plat_data->host_ops && dsi->plat_data->host_ops->register_host)
+	if (dsi->plat_data->host_ops && dsi->plat_data->host_ops->register_host) {
 		ret = dsi->plat_data->host_ops->register_host(dsi);
-
-	if (ret)
-		goto err_disable_runtime;
+		if (ret)
+			goto err_disable_runtime;
+	}
 
 	return 0;