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=-5.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 3B260C433E0 for ; Tue, 7 Jul 2020 08:35:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1668C2063A for ; Tue, 7 Jul 2020 08:35:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cogentembedded-com.20150623.gappssmtp.com header.i=@cogentembedded-com.20150623.gappssmtp.com header.b="MaVN0XDp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727800AbgGGIfU (ORCPT ); Tue, 7 Jul 2020 04:35:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727064AbgGGIfT (ORCPT ); Tue, 7 Jul 2020 04:35:19 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22492C08C5DB for ; Tue, 7 Jul 2020 01:35:19 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id q4so13195373lji.2 for ; Tue, 07 Jul 2020 01:35:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cogentembedded-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=VSt2gNx7u5TrD0wymr8ZWYE3yS5oRsktvc3jsQJqJl0=; b=MaVN0XDpN+6YXgXhI+/d1XIwktyVJq2MXzZmQphSJQiPKOhqpTZnASup4ownD/YivG 0Wowib0FRUT5Wi7NYvSbFiCLeRfSPRu2yaXncXj7GDvA+bHhz3kXWn4UOeps5lqYW6u+ 7XVUihn894JZD3TC09c3XR3v7f5icLOgjcfSmnEMy/WMTzIAbTWpDB3ZgWuaaWbYVzp6 HjNb5Rv19G39IONz2dp7wYJxfdKf6txXu7aLF/hrJJYXmPWcznshP9N9/chaZfeEmrdj 81TWlSuoJrAMVyiehInhNEKw6xi6rX5yYfHCsVP191LzBSqCs+MKboOs351cGw7xNfdN PnuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=VSt2gNx7u5TrD0wymr8ZWYE3yS5oRsktvc3jsQJqJl0=; b=C8B8ittC+WT98XZYqMZrlBzkaoukwFKHAFFrq+Z6hOP3HkuavYl7NJqr7x/QJh9mGU U/Q5JXP66qcer+USbrR0ZiKzDWILabRAgpAAPBnhS8ecbQiEKiAA7Cuf5Rvugp0Cgfih nMqycRxXd+SKRqxTf5dCo3AS/7qOsQ67LXYSYgr8xrqetSVju3A3Cex3gzmS4KG1kyZf cXvyJKVD/MQ8EtzdXgfMfFBWNgB829hMnZxxBHt8jOP7zX4wyfJMmYwRdwzrUUEe+AdV eA6ygW5+3XwqZO+t6nDoFmOQKlZxcJMkb28RbRr7SkyYyA1VU//1ZXtsj+/ybB+efPNJ dCug== X-Gm-Message-State: AOAM5316x9ZrrnZsguKwot9qZeAXpSA3ya6o64XnJiVrkeW8jGyQOcyF STrrHxViPf4t7v3srf3VvyaV6Q== X-Google-Smtp-Source: ABdhPJyL8zCRmUmt9EUAMx/qZ2oMUFwZLKzoSi2UGulxyukwEAxXwTu09QNmVeVfBnsbIwB+vB638Q== X-Received: by 2002:a2e:4b12:: with SMTP id y18mr26715115lja.117.1594110917491; Tue, 07 Jul 2020 01:35:17 -0700 (PDT) Received: from ?IPv6:2a00:1fa0:4609:f5ea:9102:8276:8e24:1626? ([2a00:1fa0:4609:f5ea:9102:8276:8e24:1626]) by smtp.gmail.com with ESMTPSA id i2sm9381ljn.109.2020.07.07.01.35.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jul 2020 01:35:16 -0700 (PDT) Subject: Re: [PATCH v3] usb: gadget: function: fix missing spinlock in f_uac1_legacy To: qiang.zhang@windriver.com, balbi@kernel.org Cc: colin.king@canonical.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20200705124027.30011-1-qiang.zhang@windriver.com> From: Sergei Shtylyov Message-ID: <09b2225a-d9c8-c40f-1e73-e18ece80e3bb@cogentembedded.com> Date: Tue, 7 Jul 2020 11:35:12 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200705124027.30011-1-qiang.zhang@windriver.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05.07.2020 15:40, qiang.zhang@windriver.com wrote: > From: Zhang Qiang > > Add a missing spinlock protection for play_queue, because > the play_queue may be destroyed when the "playback_work" > work func and "f_audio_out_ep_complete" callback func > operate this paly_queue at the same time. It's play_queue. :-) > Cc: stable > Signed-off-by: Zhang Qiang [...] MBR, Sergei