[ofa-general] [PATCH v2] ipiob: fix rtnl deadlock

[Roland Dreier]

 > What if you bring the device down, while you get a join completion event?
 > ipoib_stop() can run in parellel with ipoib_mcast_join_complete(), and you
 > will just wait for ipoib_stop() to finish to do netif_carrier_on() afterwards.

Yes, but after ipoib_stop() finishes, netif_carrier_on() doesn't do
anything that could cause a problem, since the netdev is down.

 - R.