[PATCH 0/5 try2] ib/ehca: Fix stability issues

[Alexander Schmidt]

Hi Roland,

Sorry, the first set was mangled because of a broken mailer, so here it is
again, double checked...

the following patchset contains four small fixes and one bigger patch
(5/5) for addressing some ehca issues we found during cluster test.

[1/5] update qp_state on cached modify_qp()
[2/5] rename goto label in ehca_poll_cq_one()
[3/5] repoll on invalid opcode instead of returning success
[4/5] check idr_find() return value
[5/5] discard double CQE for one WR

They all apply on top of 2.6.27-rc1. If possible, we would like to get
them into 2.6.27.

Regards,
Alexander Schmidt