[PATCH] ipv4: Fix wrong order of ip_rt_get_source() and update iph->daddr.
From: Li Wei <hidden>
Date: 2012-02-10 06:48:09
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Need to update iph->daddr before ip_rt_get_source(), otherwise we may get a wrong src. Signed-off-by: Li Wei <redacted> --- net/ipv4/ip_options.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 1e60f76..42dd1a9 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c@@ -573,8 +573,8 @@ void ip_forward_options(struct sk_buff *skb) } if (srrptr + 3 <= srrspace) { opt->is_changed = 1; - ip_rt_get_source(&optptr[srrptr-1], skb, rt); ip_hdr(skb)->daddr = opt->nexthop; + ip_rt_get_source(&optptr[srrptr-1], skb, rt); optptr[2] = srrptr+4; } else if (net_ratelimit()) printk(KERN_CRIT "ip_forward(): Argh! Destination lost!\n");
--
1.7.1