From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EAC84157494; Wed, 3 Apr 2024 17:17:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164654; cv=none; b=tgBHbYJnbiSCFq99K/Z9zeLFDqMK3RZZ78TlzNSx3jEj8qw32x3WenjVZoZsSzTjKIfVUoALxrymadaGr2ho7TeStPc7l2n8CkrlW5+U7Vc0D3R5PN2GRKIRrbJLnHvUH/A6RzuP1DSeDzSlwkdh+Iso19xcRyW285N3GTV7a28= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164654; c=relaxed/simple; bh=jDZXdNjG+msuVOBh1CPC0UAJj9LWGOlyG+98NmA8qCY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W0Say++w/kXVn7/G99fL7S2v5ZNUNjVFTAMckEeF4Vc3dqcJyOHguCEcPq/EZxFn/M+KohutLdkbi31fFAfwxtH5TdesVvo9LfJCTeach5iRVdrn0a/1WMzYAiS0iMORL+sf3UGv5KV1dt3XGg8CDI21dwwMneeyF8wsoIIXXzs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GEHfgFlN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GEHfgFlN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6070C43390; Wed, 3 Apr 2024 17:17:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712164653; bh=jDZXdNjG+msuVOBh1CPC0UAJj9LWGOlyG+98NmA8qCY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GEHfgFlNtzLImX+dB1Sn5R9z5iVFgHM7QF3UaYt8kzNiquKDzVWZ1rq8Ubfj/wMHj uJ2R2cx1cmVtisBXct+df+hDIXEIK0xO6LlKRmcB2hlagTGEf8dgccME8EjYkTrtkF rxXmGmOxpSzeY5LDcEPXajXtiy/08NtjEyMoTWQossRyn9PNYaNwv9WoP8MHOXv6KW 9HSo5SnSRQQpIAozk5N5nrWCPquDTx9UknD39iP9LQZDL/9dnur/Uvjj/5Or+lHKmV FaBO/mYs0FF7ggz4TZFjUvhtHfiBsUsZTIGBXY+NnkqCDB14PhHP1rdNexNR5Sd+lF fcCZigHF8CS7A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chancel Liu , Zhipeng Wang , Mark Brown , Sasha Levin , lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org Subject: [PATCH AUTOSEL 6.8 17/28] ASoC: soc-core.c: Skip dummy codec when adding platforms Date: Wed, 3 Apr 2024 13:16:19 -0400 Message-ID: <20240403171656.335224-17-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240403171656.335224-1-sashal@kernel.org> References: <20240403171656.335224-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.8.3 Content-Transfer-Encoding: 8bit From: Chancel Liu [ Upstream commit 23fb6bc2696119391ec3a92ccaffe50e567c515e ] When pcm_runtime is adding platform components it will scan all registered components. In case of DPCM FE/BE some DAI links will configure dummy platform. However both dummy codec and dummy platform are using "snd-soc-dummy" as component->name. Dummy codec should be skipped when adding platforms otherwise there'll be overflow and UBSAN complains. Reported-by: Zhipeng Wang Signed-off-by: Chancel Liu Link: https://msgid.link/r/20240305065606.3778642-1-chancel.liu@nxp.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/soc-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 516350533e73f..8b5b583a2bad0 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1218,6 +1218,9 @@ static int snd_soc_add_pcm_runtime(struct snd_soc_card *card, if (!snd_soc_is_matching_component(platform, component)) continue; + if (snd_soc_component_is_dummy(component) && component->num_dai) + continue; + snd_soc_rtd_add_component(rtd, component); } } -- 2.43.0