ASoC: dapm: Reset dapm wcache after freeing damp widgets

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If there is anything in damp->path_source_cache or
damp->path_sink_cache, it can not be valid after the widgets have been
freed. Without this patch a repeated remove and load of a machine
driver may cause NULL pointer reference in dapm_wcache_lookup() when a
freed widget, not belonging to any list, is haunting in the wcache.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reported-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Jyri Sarha 2015-11-10 18:12:42 +02:00 • committed by Mark Brown

parent bb9a13a020

commit fd589a1be2

3 changed files with 9 additions and 0 deletions

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include/sound/soc-dapm.h

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