diff options
| -rw-r--r-- | webkit/plugins/ppapi/message_channel.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/webkit/plugins/ppapi/message_channel.cc b/webkit/plugins/ppapi/message_channel.cc index 7eef69e..f139114 100644 --- a/webkit/plugins/ppapi/message_channel.cc +++ b/webkit/plugins/ppapi/message_channel.cc @@ -134,7 +134,13 @@ PP_Var CopyPPVar(const PP_Var& var) { return PP_MakeUndefined(); PP_Var new_buffer_var = PpapiGlobals::Get()->GetVarTracker()-> MakeArrayBufferPPVar(buffer->ByteLength()); + DCHECK(new_buffer_var.type == PP_VARTYPE_ARRAY_BUFFER); + if (new_buffer_var.type != PP_VARTYPE_ARRAY_BUFFER) + return PP_MakeUndefined(); ArrayBufferVar* new_buffer = ArrayBufferVar::FromPPVar(new_buffer_var); + DCHECK(new_buffer); + if (!new_buffer) + return PP_MakeUndefined(); memcpy(new_buffer->Map(), buffer->Map(), buffer->ByteLength()); return new_buffer_var; } else { @@ -420,4 +426,3 @@ void MessageChannel::SetPassthroughObject(NPObject* passthrough) { } // namespace ppapi } // namespace webkit - |