From patchwork Sun Jan 4 13:21:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SF Markus Elfring X-Patchwork-Id: 425171 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 5E3221400B7 for ; Mon, 5 Jan 2015 00:22:37 +1100 (AEDT) Received: from ozlabs.org (ozlabs.org [103.22.144.67]) by lists.ozlabs.org (Postfix) with ESMTP id 43A5A1A0C6C for ; Mon, 5 Jan 2015 00:22:37 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mout.web.de (mout.web.de [212.227.15.14]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id AE3B31A00A5 for ; Mon, 5 Jan 2015 00:22:03 +1100 (AEDT) Received: from [192.168.1.2] ([78.49.107.19]) by smtp.web.de (mrweb003) with ESMTPSA (Nemesis) id 0Lr2Yd-1XdM7V48ln-00eZyU; Sun, 04 Jan 2015 14:21:55 +0100 Message-ID: <54A93E67.8070105@users.sourceforge.net> Date: Sun, 04 Jan 2015 14:21:43 +0100 From: SF Markus Elfring User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Jaroslav Kysela , Johannes Berg , Takashi Iwai , alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 9/13] ALSA: i2sbus: Delete an unnecessary check before the function call "snd_pcm_suspend_all" 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> <54A9355F.4050102@users.sourceforge.net> In-Reply-To: <54A9355F.4050102@users.sourceforge.net> X-Provags-ID: V03:K0:wSipFbYSKDrw7tnU+ETC6hNybJc3rRs1vqrsuEgkUMuinweCiz1 dx7PkQ8XhMlPhDlD5FowDFcXIwW5MWFumz7JbE9xD/jQcKqvx8/SdyS2HZYDFJymp38MKX5 DbuDKrWZC3mLiU7dBPDnmxjzJyl31txvz9h6gDqbe0ovZSj4z1Ez43zJUtips60iIFzVcXl x2JJtEF6GBR2wc4wbgATA== X-UI-Out-Filterresults: notjunk:1; Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Markus Elfring Date: Sat, 3 Jan 2015 20:43:01 +0100 The snd_pcm_suspend_all() 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/aoa/soundbus/i2sbus/core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c index 4e2b4fb..837ba99 100644 --- a/sound/aoa/soundbus/i2sbus/core.c +++ b/sound/aoa/soundbus/i2sbus/core.c @@ -381,10 +381,8 @@ static int i2sbus_suspend(struct macio_dev* dev, pm_message_t state) list_for_each_entry(i2sdev, &control->list, item) { /* Notify Alsa */ - if (i2sdev->sound.pcm) { - /* Suspend PCM streams */ - snd_pcm_suspend_all(i2sdev->sound.pcm); - } + /* Suspend PCM streams */ + snd_pcm_suspend_all(i2sdev->sound.pcm); /* Notify codecs */ list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {