hal: fix race condition between sthal and ahal
When SSR happens the callbacks between sthal and ahal
are called within each context aquiring the locks resulting
in race condition. Fixed by removing lock before calling
the sthal callback.
Change-Id: I6cd88d25758f9c0a6ca39141df6629e2f8b6c0c5
diff --git a/hal/audio_extn/soundtrigger.c b/hal/audio_extn/soundtrigger.c
index e148ead..5f4c6ba 100644
--- a/hal/audio_extn/soundtrigger.c
+++ b/hal/audio_extn/soundtrigger.c
@@ -139,12 +139,12 @@
pthread_mutex_lock(&st_dev->lock);
st_ses_info = get_sound_trigger_info(in->capture_handle);
+ pthread_mutex_unlock(&st_dev->lock);
if (st_ses_info) {
event.u.ses_info = st_ses_info->st_ses;
ALOGV("%s: AUDIO_EVENT_STOP_LAB pcm %p", __func__, st_ses_info->st_ses.pcm);
st_dev->st_callback(AUDIO_EVENT_STOP_LAB, &event);
}
- pthread_mutex_unlock(&st_dev->lock);
}
void audio_extn_sound_trigger_check_and_get_session(struct stream_in *in)
{