[PATCH net-next 6/8] rtnl: align nlattr properly when needed

From: Nicolas Dichtel
Date: Tue Apr 26 2016 - 04:06:55 EST


Signed-off-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
---
net/core/rtnetlink.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9efc1f34ef3b..5503dfe6a050 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -876,7 +876,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
+ nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
+ nla_total_size(IFALIASZ) /* IFLA_IFALIAS */
+ nla_total_size(IFNAMSIZ) /* IFLA_QDISC */
- + nla_total_size(sizeof(struct rtnl_link_ifmap))
+ + nla_total_size_64bit(sizeof(struct rtnl_link_ifmap))
+ nla_total_size(sizeof(struct rtnl_link_stats))
+ nla_total_size_64bit(sizeof(struct rtnl_link_stats64))
+ nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
@@ -1181,7 +1181,7 @@ static int rtnl_fill_link_ifmap(struct sk_buff *skb, struct net_device *dev)
.dma = dev->dma,
.port = dev->if_port,
};
- if (nla_put(skb, IFLA_MAP, sizeof(map), &map))
+ if (nla_put_64bit(skb, IFLA_MAP, sizeof(map), &map, IFLA_PAD))
return -EMSGSIZE;

return 0;
--
2.8.1