[ofa-general] [PATCH] IB/ipoib: avoid WARN_ON on NULL path->ah

[Or Gerlitz]

Eli Cohen wrote:
> Moreover, that commit also allowed path resolution to be triggered for an invalid path; if that path resolution failed, old_ah would be freed outside priv->lock violating the assumption that dropping references inside the lock are guaranteed not to reach zero reference.
and what would happen next, I understand its the oops  shown in 
https://bugs.openfabrics.org/show_bug.cgi?id=1194, I guess you want to 
mention that in the change log

Or.