From: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx> [ Upstream commit acbf58e530416e167c3b323111f4013d9f2b0a7d ] soc_cleanup_component_debugfs will debugfs_remove_recursive the component->debugfs_root, so adsp doesn't need to also remove the same entry. By doing that adsp also creates a race with core component, which causes a NULL pointer dereference Signed-off-by: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210728104416.636591-1-tanureal@xxxxxxxxxxxxxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- sound/soc/codecs/wm_adsp.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 5ff0d3b10bcf..ceb1daf99526 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -391,7 +391,6 @@ static void wm_adsp2_init_debugfs(struct wm_adsp *dsp, static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp) { wm_adsp_debugfs_clear(dsp); - debugfs_remove_recursive(dsp->debugfs_root); } #else static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp, -- 2.30.2
