From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BDF110D7 for ; Tue, 28 Nov 2023 05:26:13 -0800 (PST) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Sfjr70QzwzWhqQ; Tue, 28 Nov 2023 21:25:27 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Tue, 28 Nov 2023 21:26:09 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Tue, 28 Nov 2023 21:26:09 +0800 From: Yang Yingliang To: CC: , , , Subject: [PATCH] clk: sp7021: fix return value check in sp7021_clk_probe() Date: Tue, 28 Nov 2023 21:30:16 +0800 Message-ID: <20231128133016.2494699-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected devm_platform_ioremap_resource() never returns NULL pointer, it will return ERR_PTR() when it fails, so replace the check with IS_ERR(). Fixes: d54c1fd4a51e ("clk: Add Sunplus SP7021 clock driver") Signed-off-by: Yang Yingliang --- drivers/clk/clk-sp7021.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/clk/clk-sp7021.c b/drivers/clk/clk-sp7021.c index 01d3c4c7b0b2..7cb7d501d7a6 100644 --- a/drivers/clk/clk-sp7021.c +++ b/drivers/clk/clk-sp7021.c @@ -604,14 +604,14 @@ static int sp7021_clk_probe(struct platform_device *pdev) int i; clk_base = devm_platform_ioremap_resource(pdev, 0); - if (!clk_base) - return -ENXIO; + if (IS_ERR(clk_base)) + return PTR_ERR(clk_base); pll_base = devm_platform_ioremap_resource(pdev, 1); - if (!pll_base) - return -ENXIO; + if (IS_ERR(pll_base)) + return PTR_ERR(pll_base); sys_base = devm_platform_ioremap_resource(pdev, 2); - if (!sys_base) - return -ENXIO; + if (IS_ERR(sys_base)) + return PTR_ERR(sys_base); /* enable default clks */ for (i = 0; i < ARRAY_SIZE(sp_clken); i++) -- 2.25.1