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alistair23-linux
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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>
hifive-unleashed-5.1
Gao Feng 2016-11-22 09:54:36 +08:00 committed by David S. Miller
parent ffa54a238c
commit c3891fa254
1 changed files with 2 additions and 1 deletions
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3
drivers/net/macvlan.c
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@ -623,7 +623,8 @@ hash_add:
return 0;
clear_multi:
dev_set_allmulti(lowerdev, -1);
if (dev->flags & IFF_ALLMULTI)
dev_set_allmulti(lowerdev, -1);
del_unicast:
dev_uc_del(lowerdev, dev->dev_addr);
out: