commit c8580eefbc2dc1a563a3a327bba6b1e5cc9aca5c
author hding3 <haitao.ding@intel.com> Thu Dec 04 09:11:40 2014 +0800
committer Ed Tam <etam@google.com> Fri Dec 05 12:59:06 2014 -0800
tree 297baf9d34529455d643ffe6005bf6b59cb9608b
parent 7c51a53fdded8c5115afd1f2f32dfd269841ec9e

wrs_core: enable meta data mode on L

BZ: 230000
Bug:18575549

Ignore buffer return when format change happens
for meta data mode.
The patch was ported from imin_legacy branch:  https://android.intel.com:443/291947

Change-Id: I9226eb87d273d25a3c8152d0e5837a29bb574ac1
Signed-off-by: hding3 <haitao.ding@intel.com>

base/src/portbase.cpp

diff --git a/base/src/portbase.cpp b/base/src/portbase.cpp
index e939960..a43fe86 100644
--- a/base/src/portbase.cpp
+++ b/base/src/portbase.cpp
@@ -754,16 +754,20 @@
     length = queue_length(&bufferq);
     OMX_BUFFERHEADERTYPE *p;
     /* remove returned buffer from the queue */
-    for (OMX_U32 i = 0; i < length; i++) {
+    OMX_U32 i = 0;
+    for (i = 0; i < length; i++) {
         p = (OMX_BUFFERHEADERTYPE *)queue_pop_head(&bufferq);
         if (p == pReturn) {
             break;
         }
         queue_push_tail(&bufferq, p);
     }
-
     pthread_mutex_unlock(&bufferq_lock);
 
+    if (i == length) {
+        return OMX_ErrorNone;
+    }
+
     return ReturnThisBuffer(pReturn);
 }