From patchwork Thu Sep 3 09:05:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Xu X-Patchwork-Id: 11752953 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0105313B1 for ; Thu, 3 Sep 2020 09:09:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD88620709 for ; Thu, 3 Sep 2020 09:09:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="W3f+Rs/h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD88620709 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=24yNNpNGgq1d1DhQrG9OIDi4wmbOSUTT17/p7HQh05s=; b=W3f+Rs/hC2/ZmAwNQCBbGF17dv tCyEOJMupTlb4S50V5bWpU5EGyNr5hreKp2tjcdxbGZAaB7yWP/hCsF6bt9pDzV7TppXAyXojey9e Bm9Lcm3znPmPYp2+2H5bCOlz9PJwY+ehSwDTf/Q3KoV8O68rpUHXKcA6HcKotASWlIF51xMVnNGET qRRzJr70sGm8m2KKGp/Ja9xYN/XWektqQB2pf69fPgBoyv99CYPfYYGR+8lbuA8Q27Ob5ZoKWYDIi K/5o/aOMrR6zyWH1Ws+kokhujCziOOnkTsthGw9VMQzHgr/l/cOJ1zBI1CiHhSxgBYxhMCQlhUWQ3 7nQIocKA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDlFE-00036W-JF; Thu, 03 Sep 2020 09:09:24 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDlFC-00033v-1I for linux-arm-kernel@lists.infradead.org; Thu, 03 Sep 2020 09:09:23 +0000 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 747EB56EFF00A9C363B0; Thu, 3 Sep 2020 17:09:09 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Thu, 3 Sep 2020 17:09:01 +0800 From: Wei Xu To: , Subject: [PATCH] PCI: exynos: simplify with PTR_ERR_OR_ZERO Date: Thu, 3 Sep 2020 17:05:16 +0800 Message-ID: <1599123916-65530-1-git-send-email-xuwei5@hisilicon.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200903_050922_338407_9C8108D3 X-CRM114-Status: GOOD ( 10.63 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.190 listed in list.dnswl.org] 0.0 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [45.249.212.190 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , salil.mehta@huawei.com, Krzysztof Kozlowski , jinying@hisilicon.com, tangkunshan@huawei.com, Jingoo Han , huangdaode@hisilicon.com, john.garry@huawei.com, linux-pci@vger.kernel.org, linuxarm@huawei.com, xuwei5@hisilicon.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Kukjin Kim , shameerali.kolothum.thodi@huawei.com, jonathan.cameron@huawei.com, liguozhu@hisilicon.com, zhangyi.ac@huawei.com, linux-arm-kernel@lists.infradead.org, shiju.jose@huawei.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Use PTR_ERR_OR_ZERO to make the code a little bit simpler. This code was detected with the help of Coccinelle. Signed-off-by: Wei Xu --- drivers/pci/controller/dwc/pci-exynos.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c index 8d82c43..f59f027 100644 --- a/drivers/pci/controller/dwc/pci-exynos.c +++ b/drivers/pci/controller/dwc/pci-exynos.c @@ -90,10 +90,7 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev, return -ENOMEM; ep->mem_res->elbi_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(ep->mem_res->elbi_base)) - return PTR_ERR(ep->mem_res->elbi_base); - - return 0; + return PTR_ERR_OR_ZERO(ep->mem_res->elbi_base); } static int exynos5440_pcie_get_clk_resources(struct exynos_pcie *ep)