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)
commite20ae8113625b15f9231f74102d7b7d1eea6a4f6
treecd5c1a5f3e70edc0aad8d877cc2e257c63259cd5
parent83341407560671e7d24491b9b2287ee400040e03
netdev: Support null netdev argument in netdev_ref().

This will be convenient in future patches.

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