From patchwork Wed May 12 14:48:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 438748 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,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 9284CC43460 for ; Wed, 12 May 2021 15:02:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FC8C61482 for ; Wed, 12 May 2021 15:02:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231373AbhELPDf (ORCPT ); Wed, 12 May 2021 11:03:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:59036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231826AbhELPCV (ORCPT ); Wed, 12 May 2021 11:02:21 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 54B3761482; Wed, 12 May 2021 14:57:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620831464; bh=WNV2fhmnyMKswGOiuXFQtOcuDcETQzMMYAQu9w5egzM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U8Sswf8tR7YN0Env551YA6vS2f8Dtp6OEhSZqiv3UAXjD9TNtSHwy5zfuvyjGGH5q KbZ9O3B7yWEqHU/QG7+HBsnUxGC5uHDd5LZS/OVTwi2Udo1zlxiNJPuMpLQK1ZFaWN W3ajVfLQXvPOJQYmh/CwPGQ2fN1h4i5Tw0LQrz60= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Shuah Khan , Ye Bin , Sasha Levin Subject: [PATCH 5.4 131/244] usbip: vudc: fix missing unlock on error in usbip_sockfd_store() Date: Wed, 12 May 2021 16:48:22 +0200 Message-Id: <20210512144747.215477188@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144743.039977287@linuxfoundation.org> References: <20210512144743.039977287@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ye Bin [ Upstream commit 1d08ed588c6a85a35a24c82eb4cf0807ec2b366a ] Add the missing unlock before return from function usbip_sockfd_store() in the error handling case. Fixes: bd8b82042269 ("usbip: vudc synchronize sysfs code paths") Reported-by: Hulk Robot Acked-by: Shuah Khan Signed-off-by: Ye Bin Link: https://lore.kernel.org/r/20210408112305.1022247-1-yebin10@huawei.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/usbip/vudc_sysfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c index f7633ee655a1..d1cf6b51bf85 100644 --- a/drivers/usb/usbip/vudc_sysfs.c +++ b/drivers/usb/usbip/vudc_sysfs.c @@ -156,12 +156,14 @@ static ssize_t usbip_sockfd_store(struct device *dev, tcp_rx = kthread_create(&v_rx_loop, &udc->ud, "vudc_rx"); if (IS_ERR(tcp_rx)) { sockfd_put(socket); + mutex_unlock(&udc->ud.sysfs_lock); return -EINVAL; } tcp_tx = kthread_create(&v_tx_loop, &udc->ud, "vudc_tx"); if (IS_ERR(tcp_tx)) { kthread_stop(tcp_rx); sockfd_put(socket); + mutex_unlock(&udc->ud.sysfs_lock); return -EINVAL; }