From 7fed84f622ec2696087301199c2952b85e0cc3b4 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 19 Jul 2012 08:46:59 -0700 Subject: [PATCH] ipv4: Fix time difference calculation in rt_bind_exception(). Reported-by: Steffen Klassert Signed-off-by: David S. Miller --- net/ipv4/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index f67e70236728..2c25581bf25c 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1907,7 +1907,7 @@ static void rt_bind_exception(struct rtable *rt, struct fib_nh *nh, __be32 daddr if (fnhe->fnhe_daddr == daddr) { if (fnhe->fnhe_pmtu) { unsigned long expires = fnhe->fnhe_expires; - unsigned long diff = jiffies - expires; + unsigned long diff = expires - jiffies; if (time_before(jiffies, expires)) { rt->rt_pmtu = fnhe->fnhe_pmtu; -- 2.20.1