commit e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98f
author Glenn Kasten <gkasten@google.com> Tue Sep 24 11:52:37 2013 -0700
committer Glenn Kasten <gkasten@google.com> Tue Sep 24 12:12:47 2013 -0700
tree 4de6f04ad4abc14bb0e777bcb02863196c59e34b
parent 402dfba6dcd68f5fd8d8921f9751f3e47eb1449d

Cleanup openRecord error handling

Bug: 10888816
Change-Id: I84897dd7d30b370640b54e928f230604b873cb68

include/media/IAudioFlinger.h

diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index 49f921b..eaf7780 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -53,6 +53,9 @@
     };
     typedef uint32_t track_flags_t;
 
+    // invariant on exit for all APIs that return an sp<>:
+    //   (return value != 0) == (*status == NO_ERROR)
+
     /* create an audio track and registers it with AudioFlinger.
      * return null if the track cannot be created.
      */