Fixed memory issue for audio mix info callback

On the native side the callback had the incorrect address of the
memory to release thus leading to a crash.

Bug: 293643676
Test: m -j, run audio service with register audio policy
Change-Id: Ia33115e4e9b7d116f9bd2d8f036558d95ab7dd8d

1 files changed, 5 insertions, 4 deletions

diff --git a/core/jni/android_media_AudioSystem.cpp b/core/jni/android_media_AudioSystem.cpp
index 4cf17b78f489..199854818989 100644
--- a/core/jni/android_media_AudioSystem.cpp
+++ b/core/jni/android_media_AudioSystem.cpp
@@ -523,13 +523,14 @@ android_media_AudioSystem_dyn_policy_callback(int event, String8 regId, int val)
     }
 
     jclass clazz = env->FindClass(kClassPathName);
-    const char* zechars = regId.string();
-    jstring zestring = env->NewStringUTF(zechars);
+    const char *regIdString = regId.string();
+    jstring regIdJString = env->NewStringUTF(regIdString);
 
     env->CallStaticVoidMethod(clazz, gAudioPolicyEventHandlerMethods.postDynPolicyEventFromNative,
-            event, zestring, val);
+                              event, regIdJString, val);
 
-    env->ReleaseStringUTFChars(zestring, zechars);
+    const char *regIdJChars = env->GetStringUTFChars(regIdJString, NULL);
+    env->ReleaseStringUTFChars(regIdJString, regIdJChars);
     env->DeleteLocalRef(clazz);
 }