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 16D06155751; Wed, 3 Apr 2024 17:19:54 +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=1712164795; cv=none; b=RNyyj9FLRbIwStn8Wj+/Ja21U7DQhV1lN3MNpki1E0oq7WLJz+iKfLv/nefiid0jhSK6lFg8BjQvm3zWMSd8XAvOI7n/NSc4HxR/gCK9xJYExmB5D1mBOhlc9mJcO0Xd2xJv+rS5fhMXiyYjIhwokIDhgy8yoF6M3JC0AKzytbI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712164795; c=relaxed/simple; bh=yEQHGfdTQfgueNzJukGN+SUJw0maNjlPoXSPO9Gk4Fw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ViQGa3pFzpp4f0BVzS279/mldcpx6Y4RVpSQBCJE4hMvJKHidg17TY0o6/drDKabkRD+5nHEP9wK0VBZF5WfFM19CuVjPKptjlrXHqLBAYSKuRA36be/5ac2sYOgx+ebnemf007BvUARlYLUnGYSb4AtBbo2H7VAqRQnQvAMn/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BPH4JaEx; 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="BPH4JaEx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94B56C433B1; Wed, 3 Apr 2024 17:19:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712164794; bh=yEQHGfdTQfgueNzJukGN+SUJw0maNjlPoXSPO9Gk4Fw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BPH4JaExf5qRZT9G15NAfQHG6dR7kF78XSfVU7dr3zQEE7775KGfYlZb33WBCXCDh 07sf4Koo9oyttl476zmU1oksbF5DVdY7nf51kHpQw8SZjeDdZwnIG6ILIHrsOdDdUw sgZNqQwBh4VfsPLJ1J/n/51R6EcTYqgQ1E75rHceMI6FBDtEbJXltQ0vLdnpyMQb0b yJOyQs2mJ3Is53sH5KOk2C0b1EGJkBmfmTY48mOBFsobGVjufDI3X8LOerBsilUdup eJcgTxL4IEaNTwuKfAZi5+jaHkBorvlVEO6lK9xJhP8LiyMvFpHHEem3tnD3QLANW6 lW7nJACp2pRKw== 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 5.15 5/8] ASoC: soc-core.c: Skip dummy codec when adding platforms Date: Wed, 3 Apr 2024 13:19:38 -0400 Message-ID: <20240403171945.350716-5-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240403171945.350716-1-sashal@kernel.org> References: <20240403171945.350716-1-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 5.15.153 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 a5b3ee69fb886..1c4d8b96f77b1 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1042,6 +1042,9 @@ 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