Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D47A4C433EF for ; Fri, 31 Dec 2021 01:44:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242515AbhLaBoa (ORCPT ); Thu, 30 Dec 2021 20:44:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46532 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242471AbhLaBo2 (ORCPT ); Thu, 30 Dec 2021 20:44:28 -0500 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E742C061574; Thu, 30 Dec 2021 17:44:28 -0800 (PST) Received: by mail-pj1-x1044.google.com with SMTP id iy13so22425589pjb.5; Thu, 30 Dec 2021 17:44:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=TZjER95UmKt9tkxdzo6ulN0VUUKpHWsIMP43D9luT3Y=; b=iYHwZI0+/fZ+Ih9cG6VfsjartsycTQ+8LU6+D9c//7cNbkQvh7lHZ9NRCIogpKMHh3 F3u1Psnk0aY9Zht45HEDhQ6jZExyYtxcZtjBgRBS2j8WaZzjoGCySG7bx9A9a7XjyR/7 deY0jtY6UdmYSz/VG08ecHiWGso7oUWvtYiONnBW9cYIDvN1XZOVs3Mef2JokqAlaGGU kaLBOsnNs6fcnQWbuOQYDr6BXr/cVsQkJ9w2X0E4KXlqv1aZRYjltG2V9j+GowmQT3Mf UyGbuiTYr+4Xy+vNoVrmFpQLWF3alSz/D1/e/bk8GZ0Azh+r7hW3LQ0XDiJ15yCiyDTR 7+6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=TZjER95UmKt9tkxdzo6ulN0VUUKpHWsIMP43D9luT3Y=; b=73nFJxAT4BUjElUFc3YTPvfA2KHQk/grpNLlAkVNVTK9w9LZIUTJeXWxi42xNZ3A5Q a6bjV5eyEzCpMx4+Pm03kxrnUMuHn5OGClYuv8oGZ+6dgR1NSzvc3jdcu4NmNleXIU2T wX4RUP0qkctbm85aW/O2MIcAwCBACV7YcJiatq2A0W/rfwsPfsw+sp2PPrctFazYVtQY 1lXbBfnVsEo+KLoocmeO+Vt8HpoDEIQEqS+7TphopzlRh9uyvdIm8PKFczbkIMY5+/st gaSURr8oqWTvTCT+hKWvuDbkbPW+QG7pHS/cvVoGy3pckK9ze2CePWJJINmurG5UPwNe ny5w== X-Gm-Message-State: AOAM532Yu6kS6V4dJqL3ED0toyTdZ7y3rHsgl9+FBlxuBb23nPCx41kR zb6s5cXsrOQXEWlSKUQj+sfTnjD2ssjGEA== X-Google-Smtp-Source: ABdhPJxg7PQDaMFvvRZ5NKwdcrglQ2/xxakDEeZvecKFqb61vhCDuVn5lBCayPCT4Q2E8OXiRJl2Nw== X-Received: by 2002:a17:903:1c4:b0:149:45fb:d6f0 with SMTP id e4-20020a17090301c400b0014945fbd6f0mr32824523plh.143.1640915068003; Thu, 30 Dec 2021 17:44:28 -0800 (PST) Received: from [0.0.0.0] (ec2-18-162-113-223.ap-east-1.compute.amazonaws.com. [18.162.113.223]) by smtp.gmail.com with ESMTPSA id f14sm29494696pfv.215.2021.12.30.17.44.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Dec 2021 17:44:27 -0800 (PST) Subject: Re: [PATCH v2 1/2] usb: gadget: don't release an existing dev->buf To: Greg KH Cc: balbi@kernel.org, axboe@kernel.dk, stern@rowland.harvard.edu, jj251510319013@gmail.com, dan.carpenter@oracle.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20211230043815.18899-1-hbh25y@gmail.com> <20211230043815.18899-2-hbh25y@gmail.com> From: Hangyu Hua Message-ID: <6f7806af-1818-dbab-9e21-fee54a60d42b@gmail.com> Date: Fri, 31 Dec 2021 09:44:23 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I misunderstood the meaning of Alan. He didn't ack this patch. We stil disscuss about this. I am sorry. On 2021/12/30 下午7:03, Greg KH wrote: > On Thu, Dec 30, 2021 at 12:38:14PM +0800, Hangyu Hua wrote: >> dev->buf does not need to be released if it already exists before >> executing dev_config. >> >> Acked-by: Alan Stern > > I missed this, where did Alan ack this patch? > > thanks, > > greg k-h >