From patchwork Tue Aug 27 14:17:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Amadeusz_S=C5=82awi=C5=84ski?= X-Patchwork-Id: 11117083 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 18B7613B1 for ; Tue, 27 Aug 2019 14:15:39 +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 9402121872 for ; Tue, 27 Aug 2019 14:15:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="FV1IOM31" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9402121872 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 929561672; Tue, 27 Aug 2019 16:14:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 929561672 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1566915336; bh=Q4Lw5RC1R9ed97prkht31q9tT/CpaxFj6lhZ0MiG9P4=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=FV1IOM31RLbynIwz9qhw6oc/OJZn3Aw8jznYUsTvUVPr4nIIs3MA2MjHpZ5ndukyJ ca98dxNsxoRxcW1FafptwVR3Z6vHYsETG16u5tpyYojRju+Ctu1vJKuYOtWI9d81M2 cEJBXQh5q2AGR/aiheKsCjxY6xwQ+y6NhRY0Pqs8= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 3FF80F805F7; Tue, 27 Aug 2019 16:13:09 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 0D2A0F80444; Tue, 27 Aug 2019 16:13:02 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (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 D432BF80273 for ; Tue, 27 Aug 2019 16:12:57 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D432BF80273 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Aug 2019 07:12:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,437,1559545200"; d="scan'208";a="264282412" Received: from xxx.igk.intel.com ([10.237.93.170]) by orsmga001.jf.intel.com with ESMTP; 27 Aug 2019 07:12:54 -0700 From: =?utf-8?q?Amadeusz_S=C5=82awi=C5=84ski?= To: alsa-devel@alsa-project.org Date: Tue, 27 Aug 2019 16:17:08 +0200 Message-Id: <20190827141712.21015-3-amadeuszx.slawinski@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190827141712.21015-1-amadeuszx.slawinski@linux.intel.com> References: <20190827141712.21015-1-amadeuszx.slawinski@linux.intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , linux-kernel@vger.kernel.org, Takashi Iwai , Jie Yang , Liam Girdwood , Pierre-Louis Bossart , Mark Brown , =?utf-8?q?Amadeusz_S=C5=82awi=C5=84ski?= Subject: [alsa-devel] [PATCH 2/6] ASoC: Intel: Fix use of potentially uninitialized variable 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: Amadeusz Sławiński If ipc->ops.reply_msg_match is NULL, we may end up using uninitialized mask value. reported by smatch: sound/soc/intel/common/sst-ipc.c:266 sst_ipc_reply_find_msg() error: uninitialized symbol 'mask'. Signed-off-by: Amadeusz Sławiński --- sound/soc/intel/common/sst-ipc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/intel/common/sst-ipc.c b/sound/soc/intel/common/sst-ipc.c index 1186a03a88d6..6068bb697e22 100644 --- a/sound/soc/intel/common/sst-ipc.c +++ b/sound/soc/intel/common/sst-ipc.c @@ -223,6 +223,8 @@ struct ipc_message *sst_ipc_reply_find_msg(struct sst_generic_ipc *ipc, if (ipc->ops.reply_msg_match != NULL) header = ipc->ops.reply_msg_match(header, &mask); + else + mask = (u64)-1; if (list_empty(&ipc->rx_list)) { dev_err(ipc->dev, "error: rx list empty but received 0x%llx\n",