From: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Date: Thu, 7 Jul 2022 12:56:59 +0000 (+0200)
Subject: ASoC: codecs: rt286: Set component to NULL on remove
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c1d7ebda11aae4659b665af61d7277dd351659b9;p=linux.git

ASoC: codecs: rt286: 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/20220707125701.3518263-4-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
index b2b0b2b1e4d06..c4f7c4c2d7939 100644
--- a/sound/soc/codecs/rt286.c
+++ b/sound/soc/codecs/rt286.c
@@ -960,6 +960,7 @@ static void rt286_remove(struct snd_soc_component *component)
 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
 
 	cancel_delayed_work_sync(&rt286->jack_detect_work);
+	rt286->component = NULL;
 }
 
 #ifdef CONFIG_PM