git: kernel - Fix two NFS crashes

[Thomas Nikolajsen]

>commit 966299f632b47957bccab788e2eca8bde4c2c2b6
>Author: Matthew Dillon <dillon at apollo.backplane.com>
>Date:   Thu Jul 17 20:54:42 2014 -0700
>
>    kernel - Fix two NFS crashes

This fixes issue 2608;
thank you!

Could it be MFCed to 3.8 release?

 -thomas