From: Jan Engelhardt Date: Sun, 28 Mar 2010 00:15:29 +0000 (-0700) Subject: net: increase preallocated size of nlmsg to accomodate for IFLA_STATS64 X-Git-Tag: Ubuntu-snapdragon-4.4.0-1050.54~21971^2~680 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=adcfe1964e627b62fbc6e45609b1f0db2c64dd14;p=mirror_ubuntu-artful-kernel.git 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 Signed-off-by: David S. Miller --- diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index ed0766f0181a..bf919b6acea2 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -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 */