netdev: Support null netdev argument in netdev_ref().
authorEthan Jackson <ethan@nicira.com>
Tue, 25 Jun 2013 00:23:15 +0000 (17:23 -0700)
committerEthan Jackson <ethan@nicira.com>
Fri, 28 Jun 2013 01:23:40 +0000 (18:23 -0700)
This will be convenient in future patches.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

No differences found