diff --git a/libs/ui/SharedBufferStack.cpp b/libs/ui/SharedBufferStack.cpp
index 9ad4349..47c596c 100644
--- a/libs/ui/SharedBufferStack.cpp
+++ b/libs/ui/SharedBufferStack.cpp
@@ -114,6 +114,12 @@
     return stack.identity;
 }
 
+status_t SharedBufferBase::getStatus() const
+{
+    SharedBufferStack& stack( *mSharedStack );
+    return stack.status;
+}
+
 size_t SharedBufferBase::getFrontBuffer() const
 {
     SharedBufferStack& stack( *mSharedStack );
@@ -135,7 +141,6 @@
     return result;
 }
 
-
 // ============================================================================
 // conditions and updates
 // ============================================================================
@@ -375,8 +380,10 @@
 
 void SharedBufferServer::setStatus(status_t status)
 {
-    StatusUpdate update(this, status);
-    updateCondition( update );
+    if (status < NO_ERROR) {
+        StatusUpdate update(this, status);
+        updateCondition( update );
+    }
 }
 
 status_t SharedBufferServer::reallocate()