From patchwork Tue Dec 2 17:38:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SF Markus Elfring X-Patchwork-Id: 5422021 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BDA40BEEA8 for ; Tue, 2 Dec 2014 17:39:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0B3D020295 for ; Tue, 2 Dec 2014 17:39:05 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id D0F8220212 for ; Tue, 2 Dec 2014 17:39:03 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id EDD912614FB; Tue, 2 Dec 2014 18:38:59 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id BBE3926149D; Tue, 2 Dec 2014 18:38:49 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 74DE22614AC; Tue, 2 Dec 2014 18:38:48 +0100 (CET) Received: from mout.web.de (mout.web.de [212.227.17.12]) by alsa0.perex.cz (Postfix) with ESMTP id 55CB226148F for ; Tue, 2 Dec 2014 18:38:41 +0100 (CET) Received: from [192.168.1.2] ([78.49.97.194]) by smtp.web.de (mrweb101) with ESMTPSA (Nemesis) id 0M2uj4-1YCi6F1JEU-00shOZ; Tue, 02 Dec 2014 18:38:29 +0100 Message-ID: <547DF911.9040008@users.sourceforge.net> Date: Tue, 02 Dec 2014 18:38:25 +0100 From: SF Markus Elfring User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> X-Provags-ID: V03:K0:ahWV7dFJUfI80akx0R8h1PbSDHj5vOZLMZ0CToVLjkfsfnfAnoC kBYlvYGLEXorOpAYJGIZShPyVjjmStomuOFa8oxQqUZSALCkSAwqdk2RUKwj0n+gV3/GMy7 uWBSPGhPLggL+URUNnl6B+qrXwozS4YHKWsxoccfi/W8BM9hujCwPIZTnXb3LoH5nEtZtqS 6Dasfbg9DZJegDP7rBnuQ== X-UI-Out-Filterresults: notjunk:1; Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML Subject: [alsa-devel] [PATCH 1/1] ALSA: echoaudio: Deletion of a check before release_and_free_resource() X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP From: Markus Elfring Date: Tue, 2 Dec 2014 18:34:45 +0100 The release_and_free_resource() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- sound/pci/echoaudio/echoaudio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index 60e4003..21228ad 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -1875,8 +1875,7 @@ static int snd_echo_free(struct echoaudio *chip) if (chip->dsp_registers) iounmap(chip->dsp_registers); - if (chip->iores) - release_and_free_resource(chip->iores); + release_and_free_resource(chip->iores); pci_disable_device(chip->pci);