ASoC: intel: bytcr_rt5651: add null check to support_button_press
authorJaska Uimonen <jaska.uimonen@intel.com>
Fri, 27 Sep 2019 20:14:05 +0000 (15:14 -0500)
committerMark Brown <broonie@kernel.org>
Tue, 1 Oct 2019 17:33:02 +0000 (18:33 +0100)
When removing sof module the support_button_press function will oops
because hp_jack pointer is not checked for NULL. So add a check to fix
this.

Signed-off-by: Jaska Uimonen <jaska.uimonen@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927201408.925-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt5651.c

index 762595d..c506c93 100644 (file)
@@ -1770,6 +1770,9 @@ static int rt5651_detect_headset(struct snd_soc_component *component)
 
 static bool rt5651_support_button_press(struct rt5651_priv *rt5651)
 {
+       if (!rt5651->hp_jack)
+               return false;
+
        /* Button press support only works with internal jack-detection */
        return (rt5651->hp_jack->status & SND_JACK_MICROPHONE) &&
                rt5651->gpiod_hp_det == NULL;