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-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 89e39dc5336..9f7ffbe201c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1926,7 +1926,7 @@ restart:
if (daddr != fnhe_daddr)
continue;
if (pmtu) {
- unsigned long diff = jiffies - expires;
+ unsigned long diff = expires - jiffies;
if (time_before(jiffies, expires)) {
rt->rt_pmtu = pmtu;