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    Subject[PATCH] ASoC: soc-jack: calling snd_soc_jack_report causes a null pointer access
    > From: mnlife <mnlife@foxmail.com>
    >
    > When snd_soc_card_jack_new is not called or the call fails,
    > calling this function causes a null pointer access
    >
    > Signed-off-by: mnlife <mnlife@foxmail.com>
    > ---
    > sound/soc/soc-jack.c | 2 +-
    > 1 file changed, 1 insertion(+), 1 deletion(-)
    >
    > diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
    > index 0f1820f36b4d..51b799ee98b7 100644
    > --- a/sound/soc/soc-jack.c
    > +++ b/sound/soc/soc-jack.c
    > @@ -44,7 +44,7 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
    > unsigned int sync = 0;
    > int enable;
    >
    > - if (!jack)
    > + if (!jack || !jack->jack)
    > return;
    > trace_snd_soc_jack_report(jack, mask, status);
    >
    > --
    > 2.17.1
    >
    >

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