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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39d7e77b1afsm4891592a91.5.2026.09.10.05.58.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 05:58:50 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , AngeloGioacchino Del Regno Cc: Liam Girdwood , Matthias Brugger , Jaroslav Kysela , Takashi Iwai , Cezary Rojewski , Cyril Chao , Kuninori Morimoto , Dan Carpenter , cassiogabrielcontato@gmail.com, linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH 11/13] ASoC: mediatek: mt8189: Validate sysclk frequency Date: Thu, 10 Sep 2026 19:57:40 +0700 Message-ID: <20260910125742.150902-12-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260910125742.150902-1-phucduc.bui@gmail.com> References: <20260910125742.150902-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc mtk_dai_i2s_set_sysclk() accepts zero or negative frequencies. Reject invalid frequencies before configuring the I2S clock. Fixes: 7eb153585598 ("ASoC: mediatek: mt8189: add platform driver") Signed-off-by: bui duc phuc --- sound/soc/mediatek/mt8189/mt8189-dai-i2s.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/mediatek/mt8189/mt8189-dai-i2s.c b/sound/soc/mediatek/mt8189/mt8189-dai-i2s.c index f20dbb410223..ca7d786cdeff 100644 --- a/sound/soc/mediatek/mt8189/mt8189-dai-i2s.c +++ b/sound/soc/mediatek/mt8189/mt8189-dai-i2s.c @@ -1286,6 +1286,9 @@ static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai, dir != SND_SOC_CLOCK_OUT) return -EINVAL; + if (freq <= 0) + return -EINVAL; + i2s_priv = afe_priv->dai_priv[dai->id]; if (!i2s_priv) return -EINVAL; -- 2.43.0