Applied "ASoC: intel: bytcr_rt5651: add null check to support_button_press" to the asoc tree

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The patch

   ASoC: intel: bytcr_rt5651: add null check to support_button_press

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.4

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 2bdf194e2030fce4f2e91300817338353414ab3b Mon Sep 17 00:00:00 2001
From: Jaska Uimonen <jaska.uimonen@xxxxxxxxx>
Date: Fri, 27 Sep 2019 15:14:05 -0500
Subject: [PATCH] ASoC: intel: bytcr_rt5651: add null check to
 support_button_press

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@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20190927201408.925-2-pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/codecs/rt5651.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c
index 762595de956c..c506c9305043 100644
--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -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;
-- 
2.20.1

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