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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>
739 lines
29 KiB
739 lines
29 KiB