am fee4ce33: Merge "Cleanup openRecord error handling" into klp-dev

* commit 'fee4ce338d78eeb58af1f66831ead53322d3859e':
  Cleanup openRecord error handling

2 files changed, 19 insertions, 2 deletions

diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index c5a7777..666fafa 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -474,7 +474,7 @@ status_t AudioRecord::openRecord_l(size_t epoch)
     ALOGE_IF(originalSessionId != 0 && mSessionId != originalSessionId,
             "session ID changed from %d to %d", originalSessionId, mSessionId);
 
-    if (record == 0) {
+    if (record == 0 || status != NO_ERROR) {
         ALOGE("AudioFlinger could not create record track, status: %d", status);
         AudioSystem::releaseInput(input);
         return status;
@@ -484,6 +484,11 @@ status_t AudioRecord::openRecord_l(size_t epoch)
         ALOGE("Could not get control block");
         return NO_INIT;
     }
+    void *iMemPointer = iMem->pointer();
+    if (iMemPointer == NULL) {
+        ALOGE("Could not get control block pointer");
+        return NO_INIT;
+    }
     if (mAudioRecord != 0) {
         mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this);
         mDeathNotifier.clear();
@@ -491,7 +496,7 @@ status_t AudioRecord::openRecord_l(size_t epoch)
     mInput = input;
     mAudioRecord = record;
     mCblkMemory = iMem;
-    audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer());
+    audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer);
     mCblk = cblk;
     // FIXME missing fast track frameCount logic
     mAwaitBoost = false;
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index 68928f1..448a82e 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -184,6 +184,17 @@ public:
             }
             lStatus = reply.readInt32();
             record = interface_cast<IAudioRecord>(reply.readStrongBinder());
+            if (lStatus == NO_ERROR) {
+                if (record == 0) {
+                    ALOGE("openRecord should have returned an IAudioRecord");
+                    lStatus = UNKNOWN_ERROR;
+                }
+            } else {
+                if (record != 0) {
+                    ALOGE("openRecord returned an IAudioRecord but with status %d", lStatus);
+                    record.clear();
+                }
+            }
         }
         if (status) {
             *status = lStatus;
@@ -784,6 +795,7 @@ status_t BnAudioFlinger::onTransact(
             status_t status;
             sp<IAudioRecord> record = openRecord(input,
                     sampleRate, format, channelMask, frameCount, &flags, tid, &sessionId, &status);
+            LOG_ALWAYS_FATAL_IF((record != 0) != (status == NO_ERROR));
             reply->writeInt32(flags);
             reply->writeInt32(sessionId);
             reply->writeInt32(status);