From: Dmitry Osipenko digetx@gmail.com
[ Upstream commit 89b71b3f02d8ae5a08a1dd6f4a2098b7b868d498 ]
The rt5640->jack is NULL if jack is already disabled at the time of driver's module unloading.
Signed-off-by: Dmitry Osipenko digetx@gmail.com Link: https://lore.kernel.org/r/20200106014707.11378-1-digetx@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- 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 2777014..974e1a4 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -2435,6 +2435,13 @@ 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; + disable_irq(rt5640->irq); rt5640_cancel_work(rt5640);