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>
This commit is contained in:
David S. Miller 2012-07-19 08:46:59 -07:00
parent 1eb8c695bd
commit 7fed84f622

View File

@ -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;