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net: RTNETLINK adjusting values of min_ifinfo_dump_size

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Setting link parameters on a netdevice changes the value
of if_nlmsg_size(), therefore it is necessary to recalculate
min_ifinfo_dump_size.

Signed-off-by: Stefan Gula <steweg@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Gula 2012-01-26 11:01:06 +00:00 committed by David S. Miller
parent f2b3ee9e42
commit f18da14565
1 changed files with 3 additions and 0 deletions
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3
net/core/rtnetlink.c
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@ -1509,6 +1509,9 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
if (send_addr_notify)
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
min_ifinfo_dump_size = max_t(u16, if_nlmsg_size(dev),
min_ifinfo_dump_size);
return err;
}