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ASoC: codecs: fix out-of-bounds access on invalid clock config

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get_coeff() returns –EINVAL when no table entry matches.
The driver then uses that value as an index into coeff_div[],
causing an OOB access.

To fix lets abort the hw_params call instead.

Fixes: de2b3119f9 ("ASoC: codecs: add support for ES8375")
Signed-off-by: Qasim Ijaz <qasdev00@gmail.com>
Link: https://patch.msgid.link/20250526191820.72577-1-qasdev00@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Qasim Ijaz
2025-05-26 20:18:20 +01:00
committed by Mark Brown
parent f4ba2ea57d
commit 16719d4819
1 changed files with 1 additions and 0 deletions
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1
sound/soc/codecs/es8375.c
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@@ -319,6 +319,7 @@ static int es8375_hw_params(struct snd_pcm_substream *substream,
coeff = get_coeff(es8375->vddd, dmic_enable, es8375->mclk_freq, params_rate(params));
if (coeff < 0) {
dev_warn(component->dev, "Clock coefficients do not match");
return coeff;
}
regmap_write(es8375->regmap, ES8375_CLK_MGR4,
coeff_div[coeff].Reg0x04);