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[4.2.y-ckt,19/93] rtnl: fix msg size calculation in if_nlmsg_size()

Message ID 1461694653-29506-20-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa April 26, 2016, 6:16 p.m. UTC 
4.2.8-ckt9 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Nicolas Dichtel <nicolas.dichtel@6wind.com>

[ Upstream commit c57c7a95da842807b475b823ed2e5435c42cb3b0 ]

Size of the attribute IFLA_PHYS_PORT_NAME was missing.

Fixes: db24a9044ee1 ("net: add support for phys_port_name")
CC: David Ahern <dsahern@gmail.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 net/core/rtnetlink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 0861018..28e4c9c 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -896,7 +896,8 @@  static noinline size_t if_nlmsg_size(const struct net_device *dev,
 	       + rtnl_link_get_size(dev) /* IFLA_LINKINFO */
 	       + rtnl_link_get_af_size(dev) /* IFLA_AF_SPEC */
 	       + nla_total_size(MAX_PHYS_ITEM_ID_LEN) /* IFLA_PHYS_PORT_ID */
-	       + nla_total_size(MAX_PHYS_ITEM_ID_LEN); /* IFLA_PHYS_SWITCH_ID */
+	       + nla_total_size(MAX_PHYS_ITEM_ID_LEN) /* IFLA_PHYS_SWITCH_ID */
+	       + nla_total_size(IFNAMSIZ); /* IFLA_PHYS_PORT_NAME */
 }
 
 static int rtnl_vf_ports_fill(struct sk_buff *skb, struct net_device *dev)