linux-kernel - [PATCH] clk / soc: mediatek: fix ptr

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Message-ID: <20200510025338.GA81310@f5ba873997c7>
Date:   Sun, 10 May 2020 10:53:38 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Matthias Brugger <mbrugger@...e.com>
Cc:     kbuild-all@...ts.01.org,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        CK Hu <ck.hu@...iatek.com>, Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] clk / soc: mediatek: fix ptr_ret.cocci warnings

From: kbuild test robot <lkp@...el.com>

drivers/soc/mediatek/mtk-mmsys.c:28:1-3: WARNING: PTR_ERR_OR_ZERO can be used


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 13032709e232 ("clk / soc: mediatek: Move mt8173 MMSYS to platform driver")
CC: Matthias Brugger <mbrugger@...e.com>
Signed-off-by: kbuild test robot <lkp@...el.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   30e2206e11ce27ae910cc0dab21472429e400a87
commit: 13032709e2328553970f0002df5edce6aac69425 [1266/7905] clk / soc: mediatek: Move mt8173 MMSYS to platform driver

 mtk-mmsys.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -25,10 +25,7 @@ static int mtk_mmsys_probe(struct platfo
 
 	clks = platform_device_register_data(&pdev->dev, data->clk_driver,
 					     PLATFORM_DEVID_AUTO, NULL, 0);
-	if (IS_ERR(clks))
-		return PTR_ERR(clks);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(clks);
 }
 
 static const struct of_device_id of_match_mtk_mmsys[] = {