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Commit adcfe196 authored by Jan Engelhardt's avatar Jan Engelhardt Committed by David S. Miller
Browse files

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: default avatarJan Engelhardt <jengelh@medozas.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 14a4b42b

net/core/rtnetlink.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -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(IFNAMSIZ) /* IFLA_QDISC */

	       + nla_total_size(sizeof(struct rtnl_link_ifmap))

	       + nla_total_size(sizeof(struct rtnl_link_ifmap))

	       + nla_total_size(sizeof(struct rtnl_link_stats))

	       + 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_ADDRESS */

	       + nla_total_size(MAX_ADDR_LEN) /* IFLA_BROADCAST */

	       + nla_total_size(MAX_ADDR_LEN) /* IFLA_BROADCAST */

	       + nla_total_size(4) /* IFLA_TXQLEN */

	       + nla_total_size(4) /* IFLA_TXQLEN */