From patchwork Mon Mar 12 15:01:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 10276575 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 209C9601A0 for ; Mon, 12 Mar 2018 15:11:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1237928F23 for ; Mon, 12 Mar 2018 15:11:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 04FBB28EE2; Mon, 12 Mar 2018 15:11:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 488FE28EEC for ; Mon, 12 Mar 2018 15:10:59 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 4B1B426739F; Mon, 12 Mar 2018 16:01:13 +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 A8B432673A4; Mon, 12 Mar 2018 16:01:10 +0100 (CET) Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by alsa0.perex.cz (Postfix) with ESMTP id F023526726B for ; Mon, 12 Mar 2018 16:01:08 +0100 (CET) Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1evOwf-00063D-B9; Mon, 12 Mar 2018 15:01:01 +0000 From: Colin King To: Jaroslav Kysela , Takashi Iwai , Takashi Sakamoto , Arvind Yadav , alsa-devel@alsa-project.org Date: Mon, 12 Mar 2018 15:01:00 +0000 Message-Id: <20180312150100.8089-1-colin.king@canonical.com> X-Mailer: git-send-email 2.15.1 MIME-Version: 1.0 Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [alsa-devel] [PATCH] echoaudio: remove redundant initialization of pointer 'pipe' 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: Colin Ian King The pointer 'pipe' is being initialized with a value that is never read and it is re-assigned later, hence the initialization is redundant and can be removed. Also remove pointer 'runtime' as it is no longer required. Cleans up clang warning: sound/pci/echoaudio/echoaudio.c:740:20: warning: Value stored to 'pipe' during its initialization is never read Signed-off-by: Colin Ian King --- 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 d68f99e076a8..0935a5c8741f 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -736,8 +736,7 @@ static int pcm_prepare(struct snd_pcm_substream *substream) static int pcm_trigger(struct snd_pcm_substream *substream, int cmd) { struct echoaudio *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct audiopipe *pipe = runtime->private_data; + struct audiopipe *pipe; int i, err; u32 channelmask = 0; struct snd_pcm_substream *s;