From patchwork Fri May 22 04:12:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 1295928 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=loongson.cn Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49StPp39k1z9sSW for ; Fri, 22 May 2020 14:13:02 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725981AbgEVENB (ORCPT ); Fri, 22 May 2020 00:13:01 -0400 Received: from mail.loongson.cn ([114.242.206.163]:56830 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725928AbgEVENB (ORCPT ); Fri, 22 May 2020 00:13:01 -0400 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9AxZuolUcdeFrA3AA--.1237S3; Fri, 22 May 2020 12:12:22 +0800 (CST) From: Tiezhu Yang To: Linus Walleij , Bartosz Golaszewski , Ray Jui , Robert Jarzmik Cc: bcm-kernel-feedback-list@broadcom.com, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Xuefeng Li , Tiezhu Yang Subject: [PATCH 2/3] gpio: pxa: Fix return value of pxa_gpio_probe() Date: Fri, 22 May 2020 12:12:19 +0800 Message-Id: <1590120740-22912-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1590120740-22912-1-git-send-email-yangtiezhu@loongson.cn> References: <1590120740-22912-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9AxZuolUcdeFrA3AA--.1237S3 X-Coremail-Antispam: 1UD129KBjvdXoWruw18Zw1xXFykAF4fKr4fAFb_yoWfWrg_Gw 48ZrZ2qryvkF1qvwnFyayakry2vFnY9Fn7ursayayay34UX347uryUZrn3XFWUur47Gr98 GF1UAr4Ivr4akjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbh8FF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGwA2048vs2IY02 0Ec7CjxVAFwI0_JFI_Gr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1l84 ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY02Avz4vE14v_Gryl42xK82 IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC2 0s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMI IF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF 0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87 Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfU1E_MUUUUU X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org When call function devm_platform_ioremap_resource(), we should use IS_ERR() to check the return value and return PTR_ERR() if failed. Fixes: 542c25b7a209 ("drivers: gpio: pxa: use devm_platform_ioremap_resource()") Signed-off-by: Tiezhu Yang --- drivers/gpio/gpio-pxa.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 1361270..0cb6600 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -660,8 +660,8 @@ static int pxa_gpio_probe(struct platform_device *pdev) pchip->irq1 = irq1; gpio_reg_base = devm_platform_ioremap_resource(pdev, 0); - if (!gpio_reg_base) - return -EINVAL; + if (IS_ERR(gpio_reg_base)) + return PTR_ERR(gpio_reg_base); clk = clk_get(&pdev->dev, NULL); if (IS_ERR(clk)) {