From patchwork Wed Aug 23 16:32:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nathan Chancellor X-Patchwork-Id: 13362817 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7F861EE49A0 for ; Wed, 23 Aug 2023 16:34:24 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id DE0F282C; Wed, 23 Aug 2023 18:33:31 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DE0F282C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1692808461; bh=oAGOZ+ekiLiOmp7hE1/xSBjmF1EMKp3By99T76ldHzg=; h=From:Date:Subject:To:Cc:List-Id:List-Archive:List-Help:List-Owner: List-Post:List-Subscribe:List-Unsubscribe:From; b=AhbLtCJDiSQYZctmvkgnK7zNm/wxf4DpEC1XYUBgA8m//CTILgRfuu5leTze14IsA pg4bnw3YtLGbe8FIAs2fMWq6VHuU67L/S/Ri6vNGXlJcAOtSJWSODGqW1Qpo/ogPWl E/fY8us5hnnYE3QwAplvYDRLQnFJBXaR0fbwG5oc= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 982ECF80158; Wed, 23 Aug 2023 18:33:09 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 462EFF80022; Wed, 23 Aug 2023 18:33:09 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4E53DF80158; Wed, 23 Aug 2023 18:33:06 +0200 (CEST) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 68275F80022 for ; Wed, 23 Aug 2023 18:33:02 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 68275F80022 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=KfEEuG4P Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C711963323; Wed, 23 Aug 2023 16:33:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A79BC433C7; Wed, 23 Aug 2023 16:33:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692808381; bh=oAGOZ+ekiLiOmp7hE1/xSBjmF1EMKp3By99T76ldHzg=; h=From:Date:Subject:To:Cc:From; b=KfEEuG4PAxY+ze4/trTba3y0v4nzMF2BU5VQfCVQnFpu9pRUZ7Ux3SN75/QrFpzAo MFD6Brikt3mf0knjuDtlvfKsjFOVpLszis5h6+dIcBXSXmxFkhf6OeJnMpl0Suhjbp fXMKS6ja78Kxrp4Ky6hzacwWbjwDctt+8eeWfPbk2uF2qFYibsYCNurqPBr7aWUjNV jRmSmMi4luN/Q48pxbKV6KufC86IzQPlrKe22/CJA+t0YWHOSRlxtfRx0xHg1DfGBz h1hmiNhG66WLAZDwpR9GqTB+sD3W1pNbvMMab3higzVyUnatOzoyR4HOscDsYI+kCD Y02cA9VNqcG8g== From: Nathan Chancellor Date: Wed, 23 Aug 2023 09:32:50 -0700 Subject: [PATCH] ASoC: cs42l43: Initialize ret in default case in cs42l43_pll_ev() MIME-Version: 1.0 Message-Id: <20230823-cs42l43_pll_ev-init-ret-v1-1-5836f1ad5dad@kernel.org> X-B4-Tracking: v=1; b=H4sIALE05mQC/x3MQQqDMBBG4avIrB2ISVqlVxGRaH/bgZBKEkQI3 t3Q5bd4r1BCFCR6NYUiDknyCxVd29D6deEDlnc1aaWNGrThNVntrZl372ccLEEyR2Telg62h1N P9aBa7xGbnP/zOF3XDdE0twtpAAAA To: james.schulman@cirrus.com, david.rhodes@cirrus.com, rf@opensource.cirrus.com, ckeepax@opensource.cirrus.com, broonie@kernel.org Cc: lgirdwood@gmail.com, ndesaulniers@google.com, trix@redhat.com, alsa-devel@alsa-project.org, patches@opensource.cirrus.com, patches@lists.linux.dev, llvm@lists.linux.dev, Nathan Chancellor X-Mailer: b4 0.13-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1488; i=nathan@kernel.org; h=from:subject:message-id; bh=oAGOZ+ekiLiOmp7hE1/xSBjmF1EMKp3By99T76ldHzg=; b=owGbwMvMwCEmm602sfCA1DTG02pJDCnPTPYo171w2Pom4577NeuFIve5ctWWe6hPO5ci+n2Sl vCFvXyKHaUsDGIcDLJiiizVj1WPGxrOOct449QkmDmsTCBDGLg4BWAiJqWMDL8NDPbONpAy98zu 0lzgG++Uff/7vt1ZdyL9ti07WRGWrM7I8Ej8WpfCI3N3u5163u4vuTd9f/s1nd1pt3cij9BRtfe buQA= X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 Message-ID-Hash: KVOE6T7OH723DXFMRBWUOKTU3ZMWH5YL X-Message-ID-Hash: KVOE6T7OH723DXFMRBWUOKTU3ZMWH5YL X-MailFrom: nathan@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: clang warns (or errors with CONFIG_WERROR=y): sound/soc/codecs/cs42l43.c:1371:2: error: variable 'ret' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized] 1371 | default: | ^~~~~~~ sound/soc/codecs/cs42l43.c:1377:9: note: uninitialized use occurs here 1377 | return ret; | ^~~ sound/soc/codecs/cs42l43.c:1349:9: note: initialize the variable 'ret' to silence this warning 1349 | int ret; | ^ | = 0 1 error generated. Initialize ret to 0 in the default case, as there was nothing to do for other event types. Closes: https://github.com/ClangBuiltLinux/linux/issues/1922 Fixes: fc918cbe874e ("ASoC: cs42l43: Add support for the cs42l43") Signed-off-by: Nathan Chancellor --- sound/soc/codecs/cs42l43.c | 1 + 1 file changed, 1 insertion(+) --- base-commit: 014ee0692f29da8b08fed5da0fa14e04698a50f7 change-id: 20230823-cs42l43_pll_ev-init-ret-fb1e47ea0605 Best regards, diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c index 55a79219af35..18178ffa82f2 100644 --- a/sound/soc/codecs/cs42l43.c +++ b/sound/soc/codecs/cs42l43.c @@ -1369,6 +1369,7 @@ static int cs42l43_pll_ev(struct snd_soc_dapm_widget *w, clk_disable_unprepare(priv->mclk); break; default: + ret = 0; break; }