[PATCH] When snd_soc_card_jack_new is not called or the call fails, calling this function causes a null pointer access

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Signed-off-by: mnlife <mnlife@xxxxxxxxxxx&gt;

---
&nbsp;sound/soc/soc-jack.c | 2 +-
&nbsp;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)
&nbsp;unsigned int sync = 0;
&nbsp;int enable;
&nbsp;
-if (!jack)
+if (!jack || !jack-&gt;jack)
&nbsp;return;
&nbsp;trace_snd_soc_jack_report(jack, mask, status);
&nbsp;
-- 
2.17.1




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