tree 17764f348b48b64d692b8ada70d274ed85c72b8c
parent ffa54a238c69184414a8f3dc35a18aed875290e7
author Gao Feng <fgao@ikuai8.com> 1479779676 +0800
committer David S. Miller <davem@davemloft.net> 1479950316 -0500

driver: macvlan: Check if need rollback multicast setting in macvlan_open

When dev_set_promiscuity failed in macvlan_open, it always invokes
dev_set_allmulti without checking if necessary.
Now check the IFF_ALLMULTI flag firstly before rollback the multicast
setting in the error handler.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>