[openib-general] rdma_cm callback event private data length == 0

[Sean Hefty]

Ira Weiny wrote:
> Do the other events need this as well?
> 
> ie REQ, REP, RTU, DREQ, DREP?

The REQ and REP set the private data size already.  Private data is not reported 
to the user through the RDMA CM for the other events.

As a general rule, an application cannot be guaranteed to receive private data 
except in REQ and REP messages when a connection succeeds.

- Sean