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authorLi Yewang <lyw@nanjing-fnst.com>2006-12-18 00:26:35 -0800
committerDavid S. Miller <davem@davemloft.net>2006-12-18 00:26:35 -0800
commit14fb8a764786e37ac26a2175638115f21980e5a3 (patch)
treeeeb7d81d53a557ab827a735e8c6d6c5901633a0c /net/ipv4/route.c
parenta9fc00cca8327dba3ec2a6c727f4b5b1c449f2a2 (diff)
downloadblackbird-op-linux-14fb8a764786e37ac26a2175638115f21980e5a3.tar.gz
blackbird-op-linux-14fb8a764786e37ac26a2175638115f21980e5a3.zip
[IPV4]: Fix BUG of ip_rt_send_redirect()
Fix the redirect packet of the router if the jiffies wraparound. Signed-off-by: Li Yewang <lyw@nanjing-fnst.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1aaff0a2e098..2daa0dc19d33 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1325,7 +1325,8 @@ void ip_rt_send_redirect(struct sk_buff *skb)
/* Check for load limit; set rate_last to the latest sent
* redirect.
*/
- if (time_after(jiffies,
+ if (rt->u.dst.rate_tokens == 0 ||
+ time_after(jiffies,
(rt->u.dst.rate_last +
(ip_rt_redirect_load << rt->u.dst.rate_tokens)))) {
icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, rt->rt_gateway);
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