From patchwork Wed Jun 16 04:45:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 461831 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 47ABDC48BE8 for ; Wed, 16 Jun 2021 04:41:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2AC5561369 for ; Wed, 16 Jun 2021 04:41:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230262AbhFPEnc (ORCPT ); Wed, 16 Jun 2021 00:43:32 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:10086 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229514AbhFPEnc (ORCPT ); Wed, 16 Jun 2021 00:43:32 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G4XW95DQZzZfQp; Wed, 16 Jun 2021 12:38:29 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 16 Jun 2021 12:41:24 +0800 Received: from huawei.com (10.175.103.91) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 16 Jun 2021 12:41:24 +0800 From: Yang Yingliang To: , , CC: , Subject: [PATCH -next 1/3] usb: host: xhci-tegra: add missing put_device() in tegra_xusb_probe() Date: Wed, 16 Jun 2021 12:45:17 +0800 Message-ID: <20210616044519.2183826-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Goto put_padctl to put refcount of device on error in tegra_xusb_probe() Fixes: 971ee247060d ("usb: xhci: tegra: Enable ELPG for runtime/system PM") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang --- drivers/usb/host/xhci-tegra.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 937b78cba89b..281abf10f9fd 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1450,12 +1450,16 @@ static int tegra_xusb_probe(struct platform_device *pdev) return PTR_ERR(tegra->padctl); np = of_parse_phandle(pdev->dev.of_node, "nvidia,xusb-padctl", 0); - if (!np) - return -ENODEV; + if (!np) { + err = -ENODEV; + goto put_padctl; + } tegra->padctl_irq = of_irq_get(np, 0); - if (tegra->padctl_irq <= 0) - return (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq; + if (tegra->padctl_irq <= 0) { + err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq; + goto put_padctl; + } tegra->host_clk = devm_clk_get(&pdev->dev, "xusb_host"); if (IS_ERR(tegra->host_clk)) {