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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham 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 2A97AC433ED for ; Tue, 27 Apr 2021 10:26:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB3EF611ED for ; Tue, 27 Apr 2021 10:26:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235398AbhD0K13 (ORCPT ); Tue, 27 Apr 2021 06:27:29 -0400 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:43223 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230341AbhD0K1Z (ORCPT ); Tue, 27 Apr 2021 06:27:25 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04423;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0UWzF1d5_1619519195; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UWzF1d5_1619519195) by smtp.aliyun-inc.com(127.0.0.1); Tue, 27 Apr 2021 18:26:41 +0800 From: Jiapeng Chong To: perex@perex.cz Cc: tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] ALSA: usb-audio: Remove redundant assignment to len Date: Tue, 27 Apr 2021 18:26:34 +0800 Message-Id: <1619519194-57806-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Variable len is set to zero but this value is never read as it is overwritten with a new value later on, hence it is a redundant assignment and can be removed. Cleans up the following clang-analyzer warning: sound/usb/mixer.c:2713:3: warning: Value stored to 'len' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- sound/usb/mixer.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index b004b2e..937bc17 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2710,7 +2710,6 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, #define MAX_ITEM_NAME_LEN 64 for (i = 0; i < desc->bNrInPins; i++) { struct usb_audio_term iterm; - len = 0; namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); if (!namelist[i]) { err = -ENOMEM; -- 1.8.3.1