From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 891F0C07E9E for ; Sat, 10 Jul 2021 02:42:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7468C613CA for ; Sat, 10 Jul 2021 02:42:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235528AbhGJCpM (ORCPT ); Fri, 9 Jul 2021 22:45:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:34510 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235360AbhGJCnq (ORCPT ); Fri, 9 Jul 2021 22:43:46 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 064AA613F8; Sat, 10 Jul 2021 02:39:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625884767; bh=weQNBX0jMb5LEh9P7RGQr+gjLeNyOff0TyiaH4Yfxro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i4nd5Qtqt3HSsk6NijQ9//jXV6wIDaXyJ1KYDltoqI1dFkroCcOhBHBGdzctPVEsY E/bellgpb+aRk4QCZPMDiogDAvmp5Bs3P4QZYryZLrbxXI2w8z/KDnVytc//MwyKma 9lBCuXJ9RtEsB+c8hffsMzjdmyfz+hfvVqmSDpymLzXWpa74/zHdfQ4x9gqQnkwZEn +qlnKg8TwpV3AM3xRV/A2Ob2fW4NZwEwpw20fPJCu0ww9CMoAYbTT1FvvfhoCKKVir bVAE6jsPtoYBBe9NOXRd2PhZuI4NsDIx0XNlWb02PBXMAIViwCqTkUIjzwfDBguyct AHduczYlbTlDA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Srinivas Neeli , Bartosz Golaszewski , Sasha Levin , linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 4.4 12/23] gpio: zynq: Check return value of pm_runtime_get_sync Date: Fri, 9 Jul 2021 22:39:01 -0400 Message-Id: <20210710023912.3172972-12-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210710023912.3172972-1-sashal@kernel.org> References: <20210710023912.3172972-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Neeli [ Upstream commit a51b2fb94b04ab71e53a71b9fad03fa826941254 ] Return value of "pm_runtime_get_sync" API was neither captured nor checked. Fixed it by capturing the return value and then checking for any warning. Addresses-Coverity: "check_return" Signed-off-by: Srinivas Neeli Signed-off-by: Bartosz Golaszewski Signed-off-by: Sasha Levin --- drivers/gpio/gpio-zynq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 8abeacac5885..ccfdf5a45998 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -764,8 +764,11 @@ static int zynq_gpio_probe(struct platform_device *pdev) static int zynq_gpio_remove(struct platform_device *pdev) { struct zynq_gpio *gpio = platform_get_drvdata(pdev); + int ret; - pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) + dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n"); gpiochip_remove(&gpio->chip); clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0); -- 2.30.2