[ofa-general] [PATCH 1/2] IB/core: handle race between elements in qork queues after event

[Roland Dreier]

 > and what happens if alloc_mad() is called while port->sm_ah is NULL?

Trivial fix seems to be to move the test for whether port->sm_ah is NULL
into alloc_mad(), and have it return -EAGAIN if so.

 - R.