tree 6fbcb5200d4bb863018fae5a07bfff9e16b9a976
parent a8bf4e7717142b0688a726dd07501a6a7783792a
author Sean Hefty <sean.hefty@intel.com> 1159986599 -0700
committer Roland Dreier <rolandd@cisco.com> 1160509838 -0700

IB/cm: Fix timewait crash after module unload

If the ib_cm module is unloaded while id's are still in timewait, the
CM will destroy the work queue used to process timewait.  Once the
id's exit timewait, their timers will fire, leading to a crash trying
to access the destroyed work queue.

We need to track id's that are in timewait, and cancel their deferred
work on module unload.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>