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 4D1B715B150; Wed, 3 Apr 2024 17:18:40 +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=1712164720; cv=none; b=t7eVvEee0xeg12t69Pkjw7PAAnPNr8xUzRJxrX7X2DswAl7gZfkYj5yM+mfGcyXXwjvWcSnXjEipiy7hhtt9Zjr8wsBxyciQJLMxzglgQW8oJP+u60nHe2bgyo7LBERFjxPgWEEQtV7NUrDoYweRebvJG6lu2vjdcH2hwsTd/68= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164720; c=relaxed/simple; bh=b7qKLuZBQpjm25EPq+FVreOT32w/S9PxL6a0xKugA5I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Zexeft6TPDHoqu9KvHCX+8wDQkDrbZYBiIbAm+k3smKmX/YRoiu7HaCLjmDGv2QIdh5k7zc4/LQkdUI0y6dNPPPGBRrioCncpVcuvb4/p5V1MbuIHStK/Mm6g2tLFOW8c0UX+9pOZVkDxqMgAmvCRGpJ7HNz7RtougX97WbqQWA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L+jb8dYY; 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="L+jb8dYY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 151AAC433F1; Wed, 3 Apr 2024 17:18:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712164720; bh=b7qKLuZBQpjm25EPq+FVreOT32w/S9PxL6a0xKugA5I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L+jb8dYYJ8/f6CcmGj2+vMRffYl6nRIS5pQrSq6PteGKBzHFt8u9I2ZJ72zEvso7J iRaiiXnyxVX766V27VvWlnSDQo3UA+L5kHxAdmBsZVREno5Q0f6HeoEztzCAnHq5nD a/yDesMxtA8x6KPiZj1l/C+NWGYH6bAbgXv4G9NTdpiVYI3f2lnZyE20UYQ6mmg74I z/Dq8/GXTPQaUiNAT04mcjZAhk6X9I9JZS3apW9KE4rth+dnEGgKvQap9gAjHcmb4B CfCoEdUVbxO8bnBOKd0VHCQHegnjTCfHy85DyzHhxx5VwekHsMk5ohyb2oYWxd8euO n3W/yJvBp5uew== 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 6.6 12/20] ASoC: soc-core.c: Skip dummy codec when adding platforms Date: Wed, 3 Apr 2024 13:17:53 -0400 Message-ID: <20240403171815.342668-12-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240403171815.342668-1-sashal@kernel.org> References: <20240403171815.342668-1-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 6.6.24 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 9de98c01d8151..e65fe3a7c3e42 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1105,6 +1105,9 @@ 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