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ipv4: In ip_build_and_send_pkt() use 'saddr' and 'daddr' args passed in.

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Instead of rt->rt_{dst,src}

The only tricky part is source route option handling.

If the source route option is enabled we can't just use plain 'daddr',
we have to use opt->opt.faddr.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-05-04 12:03:30 -07:00
parent 69458cb194
commit dd927a2694
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/ip_output.c
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@ -158,8 +158,8 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
else else
iph->frag_off = 0; iph->frag_off = 0;
iph->ttl = ip_select_ttl(inet, &rt->dst); iph->ttl = ip_select_ttl(inet, &rt->dst);
iph->daddr = rt->rt_dst; iph->daddr = (opt && opt->opt.srr ? opt->opt.faddr : daddr);
iph->saddr = rt->rt_src; iph->saddr = saddr;
iph->protocol = sk->sk_protocol; iph->protocol = sk->sk_protocol;
ip_select_ident(iph, &rt->dst, sk); ip_select_ident(iph, &rt->dst, sk);