ASoC: codecs: rt274: Set component to NULL on remove

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/20220707125701.3518263-6-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt274.c b/sound/soc/codecs/rt274.c
index 6b208f9..f2c50b1 100644 (file)
--- a/sound/soc/codecs/rt274.c
+++ b/sound/soc/codecs/rt274.c
@@ -993,6 +993,7 @@ static void rt274_remove(struct snd_soc_component *component)
        struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
 
        cancel_delayed_work_sync(&rt274->jack_detect_work);
+       rt274->component = NULL;
 }
 
 #ifdef CONFIG_PM