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Commit 8ed508fd authored by Hangbin Liu's avatar Hangbin Liu Committed by David S. Miller
Browse files

vti: check nla_put_* return value 



Signed-off-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0d0e5769

net/ipv4/ip_vti.c

+7 −6
Original line number Diff line number Diff line
@@ -546,12 +546,13 @@ static int vti_fill_info(struct sk_buff *skb, const struct net_device *dev) 
	struct ip_tunnel *t = netdev_priv(dev);

	struct ip_tunnel_parm *p = &t->parms;



	nla_put_u32(skb, IFLA_VTI_LINK, p->link);

	nla_put_be32(skb, IFLA_VTI_IKEY, p->i_key);

	nla_put_be32(skb, IFLA_VTI_OKEY, p->o_key);

	nla_put_in_addr(skb, IFLA_VTI_LOCAL, p->iph.saddr);

	nla_put_in_addr(skb, IFLA_VTI_REMOTE, p->iph.daddr);

	nla_put_u32(skb, IFLA_VTI_FWMARK, t->fwmark);

	if (nla_put_u32(skb, IFLA_VTI_LINK, p->link) ||

	    nla_put_be32(skb, IFLA_VTI_IKEY, p->i_key) ||

	    nla_put_be32(skb, IFLA_VTI_OKEY, p->o_key) ||

	    nla_put_in_addr(skb, IFLA_VTI_LOCAL, p->iph.saddr) ||

	    nla_put_in_addr(skb, IFLA_VTI_REMOTE, p->iph.daddr) ||

	    nla_put_u32(skb, IFLA_VTI_FWMARK, t->fwmark))

		return -EMSGSIZE;



	return 0;

}