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SubjectApplied "ASoC: rt5640: Fix NULL dereference on module unload" to the asoc tree
The patch

ASoC: rt5640: Fix NULL dereference on module unload

has been applied to the asoc tree at for-5.5

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tree (usually sometime in the next 24 hours) and sent to Linus during
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From 89b71b3f02d8ae5a08a1dd6f4a2098b7b868d498 Mon Sep 17 00:00:00 2001
From: Dmitry Osipenko <>
Date: Mon, 6 Jan 2020 04:47:07 +0300
Subject: [PATCH] ASoC: rt5640: Fix NULL dereference on module unload

The rt5640->jack is NULL if jack is already disabled at the time of
driver's module unloading.

Signed-off-by: Dmitry Osipenko <>
Signed-off-by: Mark Brown <>
sound/soc/codecs/rt5640.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index adbae1f36a8a..747ca248bf10 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -2432,6 +2432,13 @@ static void rt5640_disable_jack_detect(struct snd_soc_component *component)
struct rt5640_priv *rt5640 = snd_soc_component_get_drvdata(component);

+ /*
+ * soc_remove_component() force-disables jack and thus rt5640->jack
+ * could be NULL at the time of driver's module unloading.
+ */
+ if (!rt5640->jack)
+ return;

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