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authorKukjin Kim <kgene.kim@samsung.com>2012-11-20 18:19:10 +0900
committerKukjin Kim <kgene.kim@samsung.com>2012-11-20 18:19:10 +0900
commit840ed42942cc1ebbda2ed55f4019673b537fc5de (patch)
tree415644488e3966837eeb5061d96d4ca7db862318 /net/ipv4/route.c
parent0dca30003bc752b2fc15906e562ef4e4925725fd (diff)
parent0a9d5ac307aefbb2c772537d3fe7f75046d563ac (diff)
Merge branch 'next/hdmi-samsung' into next/devel-samsung
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 432f4bb77238..a8c651216fa6 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1163,8 +1163,12 @@ static bool rt_bind_exception(struct rtable *rt, struct fib_nh_exception *fnhe,
spin_lock_bh(&fnhe_lock);
if (daddr == fnhe->fnhe_daddr) {
- struct rtable *orig;
-
+ struct rtable *orig = rcu_dereference(fnhe->fnhe_rth);
+ if (orig && rt_is_expired(orig)) {
+ fnhe->fnhe_gw = 0;
+ fnhe->fnhe_pmtu = 0;
+ fnhe->fnhe_expires = 0;
+ }
if (fnhe->fnhe_pmtu) {
unsigned long expires = fnhe->fnhe_expires;
unsigned long diff = expires - jiffies;
@@ -1181,7 +1185,6 @@ static bool rt_bind_exception(struct rtable *rt, struct fib_nh_exception *fnhe,
} else if (!rt->rt_gateway)
rt->rt_gateway = daddr;
- orig = rcu_dereference(fnhe->fnhe_rth);
rcu_assign_pointer(fnhe->fnhe_rth, rt);
if (orig)
rt_free(orig);