linux-kernel - [PATCH 3.2 09/87] net: vlan: fix nlmsg size calculation in vlan_get

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Message-ID: <lsq.1385387069.60671069@decadent.org.uk>
Date:	Mon, 25 Nov 2013 13:44:29 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Patrick McHardy" <kaber@...sh.net>,
	"Marc Kleine-Budde" <mkl@...gutronix.de>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.2 09/87] net: vlan: fix nlmsg size calculation in 
 vlan_get_size()

3.2.53-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Marc Kleine-Budde <mkl@...gutronix.de>

[ Upstream commit c33a39c575068c2ea9bffb22fd6de2df19c74b89 ]

This patch fixes the calculation of the nlmsg size, by adding the missing
nla_total_size().

Cc: Patrick McHardy <kaber@...sh.net>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/8021q/vlan_netlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 235c219..c705612 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -152,7 +152,7 @@ static size_t vlan_get_size(const struct net_device *dev)
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 
 	return nla_total_size(2) +	/* IFLA_VLAN_ID */
-	       sizeof(struct ifla_vlan_flags) + /* IFLA_VLAN_FLAGS */
+	       nla_total_size(sizeof(struct ifla_vlan_flags)) + /* IFLA_VLAN_FLAGS */
 	       vlan_qos_map_size(vlan->nr_ingress_mappings) +
 	       vlan_qos_map_size(vlan->nr_egress_mappings);
 }

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