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authorDavid S. Miller <davem@davemloft.net>2012-07-19 08:46:59 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-19 08:46:59 -0700
commit7fed84f622ec2696087301199c2952b85e0cc3b4 (patch)
treef0ab5567558ed961d287063f7e7a841f389d6dee /net/ipv4
parent1eb8c695bda92ccaec30e9a3351e37a1896da54f (diff)
ipv4: Fix time difference calculation in rt_bind_exception().
Reported-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/route.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f67e7023672..2c25581bf25 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;