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net: increase preallocated size of nlmsg to accomodate for IFLA_STATS64 

When more data is stuffed into an nlmsg than initially projected, an
extra allocation needs to be done. Reserve enough for IFLA_STATS64 so
that this does not to needlessy happen.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jan Engelhardt 2010-03-27 17:15:29 -07:00 committed by David S. Miller
parent 14a4b42bd6
commit adcfe1964e
1 changed files with 1 additions and 0 deletions
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net/core/rtnetlink.c
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@ -653,6 +653,7 @@ static inline size_t if_nlmsg_size(const struct net_device *dev)
+ nla_total_size(IFNAMSIZ) /* IFLA_QDISC */
+ nla_total_size(sizeof(struct rtnl_link_ifmap))
+ nla_total_size(sizeof(struct rtnl_link_stats))
+ nla_total_size(sizeof(struct rtnl_link_stats64))
+ nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
+ nla_total_size(MAX_ADDR_LEN) /* IFLA_BROADCAST */
+ nla_total_size(4) /* IFLA_TXQLEN */