ipv4: Adjust semantics of rt->rt_gateway.

[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / net / ipv4 / netfilter / ipt_MASQUERADE.c

diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 2f210c79dc876c069228e07dda15655e372e5468..cbb6a1a6f6f794aa3f16561658812cd181a6f49c 100644 (file)
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -52,7 +52,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_action_param *par)
        struct nf_nat_ipv4_range newrange;
        const struct nf_nat_ipv4_multi_range_compat *mr;
        const struct rtable *rt;
-       __be32 newsrc;
+       __be32 newsrc, nh;
 
        NF_CT_ASSERT(par->hooknum == NF_INET_POST_ROUTING);
 
@@ -70,7 +70,8 @@ masquerade_tg(struct sk_buff *skb, const struct xt_action_param *par)
 
        mr = par->targinfo;
        rt = skb_rtable(skb);
-       newsrc = inet_select_addr(par->out, rt->rt_gateway, RT_SCOPE_UNIVERSE);
+       nh = rt_nexthop(rt, ip_hdr(skb)->daddr);
+       newsrc = inet_select_addr(par->out, nh, RT_SCOPE_UNIVERSE);
        if (!newsrc) {
                pr_info("%s ate my IP address\n", par->out->name);
                return NF_DROP;