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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)
commitba6c46a4820576b4e306e3dbb3edc298fc58954f
tree6d9b85cb3306ef8345eb28a435a9887f5e2e9ec9tree | snapshot
parent9dfbcd70b67ac4c6442d15cc1fb45fb261ea8e0bcommit | 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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