[ofa-general] Problem with dropped CQE's on RDMA CM channel

[Roland Dreier]

 > rdma_disconnect() will immediately transition the QP into the error
 > state, which can affect queued send operations.

Transitioning to error state might make a CQE come back as a flush
error, but it should still ensure that all pending work requests
complete.  However, transitioning a QP to reset might make some
completions disappear.

 - R.