From nobody Fri Sep 20 01:44:13 2024 Received: from mail-pf1-f181.google.com (mail-pf1-f181.google.com [209.85.210.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C236913FEE for ; Mon, 24 Jun 2024 06:13:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719209584; cv=none; b=L8S1lLWaY6h1qU5dqWIxLqAFpPuMt09kSjeUuyTur0B7qRK29q2vdOkQ5nzuqH17Ilu51Bgzb3hvUE/fdv5bH1KFiUdKkaJwp6vrbRcXyccX+S0p/bh8zB5xr3kt2G4CG+XGz4j/bUgYEDyR37kTh7p/3J8HKlA+e+/pq4VSziI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719209584; c=relaxed/simple; bh=aVHsVqa3Mw1s5TW5A0aHgn6rbR2d5USDh5nbiQUnUzI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=u5Lw4CNM6w3FZavD5NPrlK1GZmnifILUbRJrh1wXZVUl2YzJP7K5AqLalgnlY+W3sczuxLCNY5xYeSQn5HsB/t/M/kFi0xC/bfvRWTZQ60CwChULZD8yuGnbIf2nPHVJYu6Z+G5GtJi8gdLk4r1BEcgtgVha67FTYIXMn+liEbI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=fNTGICP7; arc=none smtp.client-ip=209.85.210.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="fNTGICP7" Received: by mail-pf1-f181.google.com with SMTP id d2e1a72fcca58-706524adf91so1886511b3a.2 for ; Sun, 23 Jun 2024 23:13:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1719209582; x=1719814382; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=4N2wMnACbjcCz14LY0USvKoVXrjwARwQKVYyLGYLpXg=; b=fNTGICP7L4PPagNQGZZYQ93XSI5ql0aHiM6yphO2C3o/0uIywNvjd/tyBJMRtWcPL4 5mkafq7FG7jWM9y1LLOekaWfg8JlOD1gOL9HoiqLa9KFnGM4ULhXfpJIEvy3CJeEsXK0 vEgnV6kWPetAd4uOnEACDPSdXOnP+mZHMds9U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719209582; x=1719814382; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=4N2wMnACbjcCz14LY0USvKoVXrjwARwQKVYyLGYLpXg=; b=tQ4pFQ8BoAXTnsS6wNGYoN+c6erHphU5UjhSa72Fuh3ANd1Oq+RKYmVNkmcRllgbZw 2dTy6rGORGsM3H4IK83onnGZBvh0Dl7AeyBIsOyVoGZM/3I6nVytIyryFeUuZX9JVQvY UaTKsrclA0rT6NHDSdYqVv6ZdCKkrpEKboaxNjHeZArnJdpnAq9F7jyneSoO6v6m6Nt+ 1Oq4qj2Fcegzt7JXvKVep9EE4HSz8PT9P+Aspqqba6CTMM8MwEzXCJwOB/gAcjKbOGM7 Dl61NOAohsT7y9Tz+lpwCK760t+Dlv1EsTfmtLoNX47vY16AUB9PxDtWoUbFS9DXf9z/ vrjg== X-Forwarded-Encrypted: i=1; AJvYcCWI/ilvSIfuawQRl9HLZD5EaBXRBn5zKtua6k4rL8dAtKNtCvBe1xV75YbyUmk6s7MdLpeIsU86JcsmJqJiS7FEgVVaUTNohnq+OJZp X-Gm-Message-State: AOJu0YwmALpg9HXsCjHCqQOkNMt23TFUrJ5ksrl/eRO8RMlZHofSQXAt gOKtaZXUxqAFaxMDqOt/xnUCa+2cvTCb2cyqE/ooGWXzTZTFYIkCVztqO2QJ+e+L0W2j84IRxB0 NZkSE X-Google-Smtp-Source: AGHT+IH+UlRR3GoF9E4C1DBHIOVlzoOCBHgWIsZ6epuQKT65Zpk0Nz9eUaoHFwng5u7QIXrd2vEFwg== X-Received: by 2002:a05:6a20:c120:b0:1b6:cd8e:4a5 with SMTP id adf61e73a8af0-1bcf4479e51mr4136921637.19.1719209581937; Sun, 23 Jun 2024 23:13:01 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:62a6:1858:61eb:37a2]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f9eb5e5629sm54687965ad.220.2024.06.23.23.13.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Jun 2024 23:13:01 -0700 (PDT) From: Chen-Yu Tsai To: Mark Brown , AngeloGioacchino Del Regno Cc: Chen-Yu Tsai , Trevor Wu , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2] ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link Date: Mon, 24 Jun 2024 14:12:56 +0800 Message-ID: <20240624061257.3115467-1-wenst@chromium.org> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Commit e70b8dd26711 ("ASoC: mediatek: mt8195: Remove afe-dai component and rework codec link") removed the codec entry for the ETDM1_OUT_BE dai link entirely instead of replacing it with COMP_EMPTY(). This worked by accident as the remaining COMP_EMPTY() platform entry became the codec entry, and the platform entry became completely empty, effectively the same as COMP_DUMMY() since snd_soc_fill_dummy_dai() doesn't do anything for platform entries. This causes a KASAN out-of-bounds warning in mtk_soundcard_common_probe() in sound/soc/mediatek/common/mtk-soundcard-driver.c: for_each_card_prelinks(card, i, dai_link) { if (adsp_node && !strncmp(dai_link->name, "AFE_SOF", strlen("AFE_SOF"))) dai_link->platforms->of_node =3D adsp_node; else if (!dai_link->platforms->name && !dai_link->platforms->of_node) dai_link->platforms->of_node =3D platform_node; } where the code expects the platforms array to have space for at least one e= ntry. Add an COMP_EMPTY() entry so that dai_link->platforms has space. Fixes: e70b8dd26711 ("ASoC: mediatek: mt8195: Remove afe-dai component and = rework codec link") Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno --- Changes since v1: - Reword commit message with more details on how the original commit got things wrong, and what this commit adds and fixes --- sound/soc/mediatek/mt8195/mt8195-mt6359.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/mediatek/mt8195/mt8195-mt6359.c b/sound/soc/mediatek= /mt8195/mt8195-mt6359.c index ca8751190520..2832ef78eaed 100644 --- a/sound/soc/mediatek/mt8195/mt8195-mt6359.c +++ b/sound/soc/mediatek/mt8195/mt8195-mt6359.c @@ -827,6 +827,7 @@ SND_SOC_DAILINK_DEFS(ETDM2_IN_BE, =20 SND_SOC_DAILINK_DEFS(ETDM1_OUT_BE, DAILINK_COMP_ARRAY(COMP_CPU("ETDM1_OUT")), + DAILINK_COMP_ARRAY(COMP_EMPTY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); =20 SND_SOC_DAILINK_DEFS(ETDM2_OUT_BE, --=20 2.45.2.741.gdbec12cfda-goog