tree 6d9b85cb3306ef8345eb28a435a9887f5e2e9ec9
parent 8f71370f4b02730e8c27faf460af7a3586e24e1f
author Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com> 1553257809 +0530
committer Mark Brown <broonie@kernel.org> 1553516415 +0000
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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>