From patchwork Fri Nov 21 17:40:49 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: 5356441 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3EBE69F1E1 for ; Fri, 21 Nov 2014 17:41:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 625E4201BB for ; Fri, 21 Nov 2014 17:41:26 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 37BEC2015D for ; Fri, 21 Nov 2014 17:41:25 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 17BE826086A; Fri, 21 Nov 2014 18:41:23 +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 57800260694; Fri, 21 Nov 2014 18:41:15 +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 EC7422606E0; Fri, 21 Nov 2014 18:41:13 +0100 (CET) Received: from mout.web.de (mout.web.de [212.227.15.4]) by alsa0.perex.cz (Postfix) with ESMTP id F0C34260646 for ; Fri, 21 Nov 2014 18:41:05 +0100 (CET) Received: from [192.168.1.2] ([78.49.23.187]) by smtp.web.de (mrweb002) with ESMTPSA (Nemesis) id 0M7Kis-1YCHTE2pba-00x0w6; Fri, 21 Nov 2014 18:41:02 +0100 Message-ID: <546F7921.2000406@users.sourceforge.net> Date: Fri, 21 Nov 2014 18:40:49 +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:y34nu6WsO5Ap/99qmvyIUdaN31m0GLrVWqThZRcRryG6Mur5C4H lOQRPBQ64wJ4NIfXYd6R4JF2tkud6FLNA8f0YG1/LPDAiHKkjBGNn4xaLaU8Q9QcIiV1msx 4KCcc/4U83K27ucDjuRNceR94+Se6ABwNukKNxTzxTyIxl04P14nx04LDXR6lFfUrSxeDh4 TfyIMKgzcHzyUHWvmO7bA== X-UI-Out-Filterresults: notjunk:1; Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML Subject: [alsa-devel] [PATCH 1/1] ALSA: core: Deletion of unnecessary checks before two function calls 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: Fri, 21 Nov 2014 18:34:48 +0100 The functions snd_seq_oss_timer_delete() and vunmap() perform also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- sound/core/seq/oss/seq_oss_init.c | 9 +++------ sound/core/sgbuf.c | 3 +-- 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c index b9184d2..b0e32e1 100644 --- a/sound/core/seq/oss/seq_oss_init.c +++ b/sound/core/seq/oss/seq_oss_init.c @@ -403,14 +403,11 @@ free_devinfo(void *private) { struct seq_oss_devinfo *dp = (struct seq_oss_devinfo *)private; - if (dp->timer) - snd_seq_oss_timer_delete(dp->timer); + snd_seq_oss_timer_delete(dp->timer); - if (dp->writeq) - snd_seq_oss_writeq_delete(dp->writeq); + snd_seq_oss_writeq_delete(dp->writeq); - if (dp->readq) - snd_seq_oss_readq_delete(dp->readq); + snd_seq_oss_readq_delete(dp->readq); kfree(dp); } diff --git a/sound/core/sgbuf.c b/sound/core/sgbuf.c index 0a41850..84fffab 100644 --- a/sound/core/sgbuf.c +++ b/sound/core/sgbuf.c @@ -39,8 +39,7 @@ int snd_free_sgbuf_pages(struct snd_dma_buffer *dmab) if (! sgbuf) return -EINVAL; - if (dmab->area) - vunmap(dmab->area); + vunmap(dmab->area); dmab->area = NULL; tmpb.dev.type = SNDRV_DMA_TYPE_DEV;