From patchwork Tue Mar 7 04:09:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?VHJldm9yIFd1ICjlkLPmlofoia8p?= X-Patchwork-Id: 13162742 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6578FC678D5 for ; Tue, 7 Mar 2023 04:11:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=zry3CdQy1hd/hNFQW6ZaJHATpV3S72d/XIVP2MJTS9I=; b=L/oAVIh5Wd1dzAAsFRfNUGu+RO v82sAt4bq/k2MijdR1daqer2tmVqiGpTnD2nD1CC0rYSexZBuAgN6qzzaBz4plIeVQG3ua0Cp6B6i swzR1TUm/owJ599lP1SNYnkIQTD4fOFjaeT366HTlolft/t62GCmjXPDjRuq4A7UowW1WpXjA1dLp VaydnJbhh8Tok969Zz1VmdZpgKFmmQI8jodAQyCbZBDjJ09Lz5HPlYfDwYDit9K0UK1c/Io0ViJ37 iOabs1zjNBFU92NnX1ZdSeggUqFC2WLNLdwYNqAL8S7Qr28qYyv3oO0t08JZRhWBKzr+SGzMiS/T2 gX7Ey75w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pZOfM-00G7f5-Lo; Tue, 07 Mar 2023 04:11:08 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pZOeg-00G7GE-CC; Tue, 07 Mar 2023 04:10:27 +0000 X-UUID: f89e2a90bc9d11eda08d4d6090ec5a5c-20230306 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=zry3CdQy1hd/hNFQW6ZaJHATpV3S72d/XIVP2MJTS9I=; b=ho1N5Rg1Vls3DiDR4BP1SQLRwjkiomsCNYKGErnPSaj31MFuOTC0jqdLpD83q32UnMAga/0u/MVyDCky6DLm+CRQcfNHGNYhNPQNUBbE61MJ+a5+kg7KEBifeUw0SgXsi4RqEbfKuPOJSlzX/OkjFSsKEAisg2YQNdSNWUa4BwY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.20,REQID:06cfacff-9a0e-4b00-9f7d-99298a0e0690,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:25b5999,CLOUDID:2ac96cb2-beed-4dfc-bd9c-e1b22fa6ccc4,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-UUID: f89e2a90bc9d11eda08d4d6090ec5a5c-20230306 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1443372233; Mon, 06 Mar 2023 21:10:18 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Tue, 7 Mar 2023 12:09:42 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Tue, 7 Mar 2023 12:09:42 +0800 From: Trevor Wu To: , , , , , CC: , , , , , Subject: [PATCH 4/4] ASoC: mediatek: mt6359: fix UNINIT problem Date: Tue, 7 Mar 2023 12:09:38 +0800 Message-ID: <20230307040938.7484-5-trevor.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230307040938.7484-1-trevor.wu@mediatek.com> References: <20230307040938.7484-1-trevor.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230306_201026_443486_07A34B7C X-CRM114-Status: GOOD ( 12.31 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Coverity shows decaring variable reg without initializer. When regmap_read returns an error, reg keeps the value left from earlier computation. To prevent from the unexpected result in the case, assign 0 to reg. Signed-off-by: Trevor Wu --- sound/soc/codecs/mt6359.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c index c9a453ce8a2a..cb487e63615c 100644 --- a/sound/soc/codecs/mt6359.c +++ b/sound/soc/codecs/mt6359.c @@ -358,7 +358,7 @@ static int mt6359_put_volsw(struct snd_kcontrol *kcontrol, struct mt6359_priv *priv = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - unsigned int reg; + unsigned int reg = 0; int index = ucontrol->value.integer.value[0]; int ret;