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ASoC: dapm: Fix NULL pointer dereference in snd_soc_dapm_free_kcontrol
authorPankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Fri, 22 Mar 2019 12:30:09 +0000 (18:00 +0530)
committerMark Brown <broonie@kernel.org>
Mon, 25 Mar 2019 12:20:15 +0000 (12:20 +0000)
commitcacea3a90e211f0c111975535508d446a4a928d2
tree6d9b85cb3306ef8345eb28a435a9887f5e2e9ec9tree | snapshot
parent8f71370f4b02730e8c27faf460af7a3586e24e1fcommit | diff
ASoC: dapm: Fix NULL pointer dereference in snd_soc_dapm_free_kcontrol

w_text_param can be NULL and it is being dereferenced without checking.
Add the missing sanity check to prevent  NULL pointer dereference.

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/soc-dapm.c diff | blob | history
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