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ASoC: mediatek: mt8365: check validity before usage of i2s_data
There may be a case where i2s_data may not get initialized by the for
loop which will cause the kernel crash. Initialize the i2s_data to NULL
and abort execute if it isn't found.
Fixes: 402bbb13a1
("ASoC: mediatek: mt8365: Add I2S DAI support")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20240911111317.4072349-1-usama.anjum@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -465,13 +465,16 @@ void mt8365_afe_set_i2s_out_enable(struct mtk_base_afe *afe, bool enable)
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int i;
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unsigned long flags;
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struct mt8365_afe_private *afe_priv = afe->platform_priv;
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struct mtk_afe_i2s_priv *i2s_data;
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struct mtk_afe_i2s_priv *i2s_data = NULL;
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for (i = 0; i < DAI_I2S_NUM; i++) {
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if (mt8365_i2s_priv[i].adda_link)
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i2s_data = afe_priv->dai_priv[mt8365_i2s_priv[i].id];
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}
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if (!i2s_data)
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return;
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spin_lock_irqsave(&afe_priv->afe_ctrl_lock, flags);
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if (enable) {
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