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 52187153BCF; Wed, 3 Apr 2024 17:20:15 +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=1712164815; cv=none; b=L6U/9YQ9k1R5c9teEKTXOteGwbt4L2Eg2PiEQpVajLmKxXwvFOOZUTEdfrjulKr7nU75cX6uMWZfB/mtn6XLD9roN4FEgdvMV2e3q1jZRY54b8okFWqamOQAOPNvMJbXGYie0S/oi52Ux6iogqn+dZInzqDvzlm419AUL3q4XW8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164815; c=relaxed/simple; bh=xgHiBXZov3Eiu6+bIYgBl0Hw0XQXQEEy/k6tIo/uDt0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B1NK5WQuUv1t+oiJa7kDKB8lycMYNblHQUURS5MYQy77Fmqvqp1JGppS0dSoC3o5IE9DMfJmnBWAfm63XXxEleNyfmWpkplD9V4fWA3YIzDrUgtVsCH2oKHWrlO2QiLirM58Ji8RvSOyzWUvwlvD1gcQVSbItIrIjrWqYpQDO04= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=J6bM5Hwv; 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="J6bM5Hwv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7528C433C7; Wed, 3 Apr 2024 17:20:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712164814; bh=xgHiBXZov3Eiu6+bIYgBl0Hw0XQXQEEy/k6tIo/uDt0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J6bM5HwviYZWVO23Fqq6nOlOGlpgSxhIuag12kXU+Q+MKTvC97Ny5P4F1dZrWr4w2 SSqk6/TTeDcYu1Un6zHTqs6mgqRqj/RivNugTV5VEmhDP1ScRASAwtLMTcXUHYG1Dp GLQKdfdpEhC1jthbPKfa4CcqxV1arnrZ4qU5Gc8CxtWhbBko+yMNPzBBZpIhEYXwcZ daNq4XpDPQadpJViFX0iWAuGE9In0GHlczEAXjnaV0dCtmbCHt/XDUrfeL80iRsach Ir9nxTkQdWzxpU5DkMInMbzHNEJ0HFGP8GhOuvS9r+rExH5A/7i+HXcR5endCP8zTz y1fu0SoAzIYRw== 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 5.10 5/8] ASoC: soc-core.c: Skip dummy codec when adding platforms Date: Wed, 3 Apr 2024 13:19:59 -0400 Message-ID: <20240403172006.353022-5-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240403172006.353022-1-sashal@kernel.org> References: <20240403172006.353022-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.10.214 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 e9da95ebccc83..af4e678ba17b9 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1041,6 +1041,9 @@ 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