[ofa-general] [RFC] ipoib: avoid using stale ipoib_neigh* in ipoib_neigh_cleanup()

[Roland Dreier]

 > I can send a complete patch (but I was sort of hoping that 
 > someone would have a better idea...)

I think it would be better to understand what ipoib_neigh_cleanup() is
racing with.  eg if CM TX completion handling is the problem, then maybe
the right fix is to take a reference on the neigh when establishing a
connection and drop the ref when closing the connection.