commit 4d8ab90a88aa630612a4d0eda8734f5ac3bf4197
author rioskao <rioskao@google.com> Fri Oct 16 12:58:19 2020 +0800
committer rioskao <rioskao@google.com> Fri Oct 16 12:58:19 2020 +0800
tree 46cfc9eb3888963128b7f1ce58f17c58c028134e
parent 18279771a64cdc45e474de54305f1e0b47275af4

sthal: prevent double free the inactive model

note: Sometimes the specified sequence control by top
      layer that would cause the double free inside ext
      dsp.

Test: manuall simulate the sequence and test.
Bug: 171013585
Change-Id: I69b186e0b1205a1090a8965dfcf9ff4d903fed41

sound_trigger_hw_iaxxx.c

diff --git a/sound_trigger_hw_iaxxx.c b/sound_trigger_hw_iaxxx.c
index 014c96a..495be0e 100644
--- a/sound_trigger_hw_iaxxx.c
+++ b/sound_trigger_hw_iaxxx.c
@@ -2628,6 +2628,10 @@
         model->is_active = false;
         goto exit;
     }
+    if (model->is_active == false) {
+        ALOGW("%s: the model was disabled already", __func__);
+        goto exit;
+    }
 
     if (stdev->adnc_strm_handle[handle] != 0) {
         ALOGD("%s: stop tunnling for index:%d", __func__, handle);