tree 017c1d62972036289cbb2111e1321471e0930353
parent 2ffdf508d278d48ccb928238846df352db21f4eb
author Nikolay Aleksandrov <nikolay@cumulusnetworks.com> 1443791113 +0200
committer David S. Miller <davem@davemloft.net> 1444002230 -0700

bridge: vlan: use br_vlan_should_use to simplify __vlan_add/del

The checks that lead to num_vlans change are always what
br_vlan_should_use checks for, namely if the vlan is only a context or
not and depending on that it's either not counted or counted
as a real/used vlan respectively.
Also give better explanation in br_vlan_should_use's comment.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>