From patchwork Fri Mar 26 09:15:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 12166087 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,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D0E57C433C1 for ; Fri, 26 Mar 2021 09:19:57 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 38A9261A32 for ; Fri, 26 Mar 2021 09:19:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 38A9261A32 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 26C7B1616; Fri, 26 Mar 2021 10:19:05 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 26C7B1616 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1616750395; bh=1H4nQ1C+KCgx/pzrCZ1uGEwjzPO3fBrvNbkPIhcZyh0=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=XpZz+uk2gbl7//iwc1aYCSqM2DHqB2QgINk4xaVAEfNp2CPpFIGItXDa2G2K9JOHY KTLk3hzVnFW8QRcjUonGtyHzNnY8YqDwpjViNWQWzRb6DCrJmAPafNEJkVAcx1U0dY eRV3cFbGKBFPCSwEqdSCmqeJfXqayDUeg7xbM9Lc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 21C54F804D9; Fri, 26 Mar 2021 10:16:16 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4876FF804B0; Fri, 26 Mar 2021 10:16:09 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 031F8F80482 for ; Fri, 26 Mar 2021 10:15:58 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 031F8F80482 IronPort-SDR: NIPzA9cUnRA/WFnsw1jpcjF23dhln5NCIRzKcQHsp6jOCGwZIjKoUHm6ZM5z1Wd9pzvf1O4sAw SKHWRjkq+o3Q== X-IronPort-AV: E=McAfee;i="6000,8403,9934"; a="276249473" X-IronPort-AV: E=Sophos;i="5.81,280,1610438400"; d="scan'208";a="276249473" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2021 02:15:58 -0700 IronPort-SDR: iInWLugpd8TQiJ71CewLQCbDFkO1T67b7+A16hZnVk871kk0gbDt09hxFqFgOlj9ZBBQPZK2Qi QDQTPI55bTRw== X-IronPort-AV: E=Sophos;i="5.81,280,1610438400"; d="scan'208";a="416463239" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2021 02:15:55 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [RESEND PATCH 10/11] soundwire: stream: remove useless initialization Date: Fri, 26 Mar 2021 17:15:13 +0800 Message-Id: <20210326091514.20751-11-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210326091514.20751-1-yung-chuan.liao@linux.intel.com> References: <20210326091514.20751-1-yung-chuan.liao@linux.intel.com> Cc: vinod.koul@linaro.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, hui.wang@canonical.com, srinivas.kandagatla@linaro.org, sanyog.r.kale@intel.com, rander.wang@linux.intel.com, bard.liao@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" From: Pierre-Louis Bossart Cppcheck complains about possible null pointer dereferences, but it's more like there are unnecessary initializations before walking through a list. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Guennadi Liakhovetski Reviewed-by: Rander Wang Reviewed-by: Kai Vehmanen Signed-off-by: Bard Liao --- drivers/soundwire/stream.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 4915676c4ac2..6a682179cd05 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -261,7 +261,7 @@ static int sdw_program_master_port_params(struct sdw_bus *bus, */ static int sdw_program_port_params(struct sdw_master_runtime *m_rt) { - struct sdw_slave_runtime *s_rt = NULL; + struct sdw_slave_runtime *s_rt; struct sdw_bus *bus = m_rt->bus; struct sdw_port_runtime *p_rt; int ret = 0; @@ -1470,7 +1470,7 @@ static void sdw_acquire_bus_lock(struct sdw_stream_runtime *stream) */ static void sdw_release_bus_lock(struct sdw_stream_runtime *stream) { - struct sdw_master_runtime *m_rt = NULL; + struct sdw_master_runtime *m_rt; struct sdw_bus *bus = NULL; /* Iterate for all Master(s) in Master list */