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ASoC: Jack: Fix NULL pointer dereference in snd_soc_jack_report
authorPawel Harlozinski <pawel.harlozinski@linux.intel.com>
Tue, 12 Nov 2019 13:02:36 +0000 (14:02 +0100)
committerMark Brown <broonie@kernel.org>
Tue, 12 Nov 2019 17:12:56 +0000 (17:12 +0000)
commit8f157d4ff039e03e2ed4cb602eeed2fd4687a58f
tree4a923e45b1a6e8f3a0a27dc6213c1210ed59736atree | snapshot
parent130d3e90777fe974e4b8fa100cec8faf19cac998commit | diff
ASoC: Jack: Fix NULL pointer dereference in snd_soc_jack_report

Check for existance of jack before tracing.
NULL pointer dereference has been reported by KASAN while unloading
machine driver (snd_soc_cnl_rt274).

Signed-off-by: Pawel Harlozinski <pawel.harlozinski@linux.intel.com>
Link: https://lore.kernel.org/r/20191112130237.10141-1-pawel.harlozinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
sound/soc/soc-jack.c diff | blob | history
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