1 files changed, 7 insertions, 2 deletions
diff --git a/gpu/command_buffer/client/cmd_buffer_helper.cc b/gpu/command_buffer/client/cmd_buffer_helper.cc
index ad5447a..f7d31c5 100644
--- a/gpu/command_buffer/client/cmd_buffer_helper.cc
+++ b/gpu/command_buffer/client/cmd_buffer_helper.cc
@@ -52,13 +52,18 @@ bool CommandBufferHelper::AllocateRingBuffer() {
     return true;
   }
 
-  int32 id = -1;
-  ring_buffer_ = command_buffer_->CreateTransferBuffer(ring_buffer_size_, &id);
+  int32 id = command_buffer_->CreateTransferBuffer(ring_buffer_size_, -1);
   if (id < 0) {
     ClearUsable();
     return false;
   }
 
+  ring_buffer_ = command_buffer_->GetTransferBuffer(id);
+  if (!ring_buffer_.ptr) {
+    ClearUsable();
+    return false;
+  }
+
   ring_buffer_id_ = id;
   command_buffer_->SetGetBuffer(id);