linux-kernel - [PATCH] drm/bridge: samsung-dsim: check the return value only if necessary

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Message-ID: <20231207161056.183442-1-dario.binacchi@amarulasolutions.com>
Date:   Thu,  7 Dec 2023 17:10:43 +0100
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Inki Dae <inki.dae@...sung.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Jonas Karlman <jonas@...boo.se>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Maxime Ripard <mripard@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH] 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@...rulasolutions.com>
---

 drivers/gpu/drm/bridge/samsung-dsim.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index be5914caa17d..98cd589e4427 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/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;
 
-- 
2.43.0