pyverbs: Increment the correct rkey in test_qpex

[ Upstream commit 0c4d91d ]

The local bind is manipulating the local rkey, not the server rkey. Bind
doesn't check that the high bits are correct so this was missed.

Fixes: 9fca282 ("tests: Retrieve tests that generates mlx5 CQE errors")
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>

tests/test_qpex.py

@@ -298,7 +298,7 @@ def test_qp_ex_rc_bind_mw(self):
             if ex.error_code == errno.EOPNOTSUPP:
                 raise unittest.SkipTest('Memory Window allocation is not supported')
             raise ex
-        new_key = inc_rkey(server.mr.rkey)
+        new_key = inc_rkey(mw.rkey)
         server.qp.wr_bind_mw(mw, new_key, bind_info)
         server.qp.wr_complete()
         u.poll_cq(server.cq)