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ASoC: codecs: rt298: Set component to NULL on remove
author
Amadeusz Sławiński
<amadeuszx.slawinski@linux.intel.com>
Thu, 7 Jul 2022 12:57:00 +0000
(14:57 +0200)
committer
Mark Brown
<broonie@kernel.org>
Mon, 11 Jul 2022 13:59:09 +0000
(14:59 +0100)
Make sure that component is set to proper value, otherwise we may
dereference freed component in interrupt.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link:
https://lore.kernel.org/r/20220707125701.3518263-5-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt298.c
patch
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diff --git
a/sound/soc/codecs/rt298.c
b/sound/soc/codecs/rt298.c
index
e1d94f1
..
b0b53d4
100644
(file)
--- a/
sound/soc/codecs/rt298.c
+++ b/
sound/soc/codecs/rt298.c
@@
-1022,6
+1022,7
@@
static void rt298_remove(struct snd_soc_component *component)
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
cancel_delayed_work_sync(&rt298->jack_detect_work);
+ rt298->component = NULL;
}
#ifdef CONFIG_PM