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ASoC: codecs: rt298: Fix NULL jack in interrupt

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Set rt298->jack to passed value in mic_detect, otherwise when jack is
set to NULL on next interrupt call, we may use freed pointer.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220707125701.3518263-2-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Amadeusz Sławiński 2022-07-07 14:56:57 +02:00 committed by Mark Brown
parent eaa27e7fe4
commit 9b6803ec1f
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GPG key ID: 24D68B725D5487D0
1 changed files with 2 additions and 1 deletions
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3
sound/soc/codecs/rt298.c
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@ -335,6 +335,8 @@ static int rt298_mic_detect(struct snd_soc_component *component,
bool mic = false;
int status = 0;
rt298->jack = jack;
/* If jack in NULL, disable HS jack */
if (!jack) {
regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
@ -344,7 +346,6 @@ static int rt298_mic_detect(struct snd_soc_component *component,
return 0;
}
rt298->jack = jack;
regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
rt298_jack_detect(rt298, &hp, &mic);