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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no 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 6D962C433E1 for ; Mon, 27 Jul 2020 16:40:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A66B20729 for ; Mon, 27 Jul 2020 16:40:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732430AbgG0QkZ (ORCPT ); Mon, 27 Jul 2020 12:40:25 -0400 Received: from mx2.suse.de ([195.135.220.15]:35042 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728213AbgG0QkY (ORCPT ); Mon, 27 Jul 2020 12:40:24 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3BC75AC1D; Mon, 27 Jul 2020 16:40:34 +0000 (UTC) Date: Mon, 27 Jul 2020 18:40:22 +0200 Message-ID: From: Takashi Iwai To: Xu Wang Cc: perex@perex.cz, tiwai@suse.com, alexander@tsoy.me, e.burema@gmail.com, henryl@nvidia.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] usb: endpoint : remove needless check before usb_free_coherent() In-Reply-To: <20200727025208.8739-1-vulab@iscas.ac.cn> References: <20200727025208.8739-1-vulab@iscas.ac.cn> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 27 Jul 2020 04:52:08 +0200, Xu Wang wrote: > > usb_free_coherent() is safe with NULL addr and this check is > not required. > > Signed-off-by: Xu Wang Thanks, applied. Takashi 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=-7.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 68CD8C433E0 for ; Mon, 27 Jul 2020 16:41:29 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1AC2A2073E for ; Mon, 27 Jul 2020 16:41:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="sjmyafnr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1AC2A2073E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id A29E51699; Mon, 27 Jul 2020 18:40:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A29E51699 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1595868087; bh=qpQpYwQNUoENMNQU8DWmxIKPAoHHEfU73mdTKPJaD18=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=sjmyafnrFVDf7lYEVuTnzV3CesvxTOJii4rpGYNktLIAXrr+F89G55K1DOVg4e9AW /nXmT9DEnDeqqOyd54OWcwqrUGQsDPI6pw41xc6hxBQ8VAWHaVlwOZMiEtgZ7/ICwo jQrxKdV6fCmbOPQnOE5XS0I0sliljYbpktwVRKTc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 229A0F800AD; Mon, 27 Jul 2020 18:40:37 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id BD72AF80171; Mon, 27 Jul 2020 18:40:35 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 98666F800AD for ; Mon, 27 Jul 2020 18:40:25 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 98666F800AD X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3BC75AC1D; Mon, 27 Jul 2020 16:40:34 +0000 (UTC) Date: Mon, 27 Jul 2020 18:40:22 +0200 Message-ID: From: Takashi Iwai To: Xu Wang Subject: Re: [PATCH] usb: endpoint : remove needless check before usb_free_coherent() In-Reply-To: <20200727025208.8739-1-vulab@iscas.ac.cn> References: <20200727025208.8739-1-vulab@iscas.ac.cn> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: e.burema@gmail.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, tiwai@suse.com, henryl@nvidia.com, alexander@tsoy.me X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Mon, 27 Jul 2020 04:52:08 +0200, Xu Wang wrote: > > usb_free_coherent() is safe with NULL addr and this check is > not required. > > Signed-off-by: Xu Wang Thanks, applied. Takashi