diff options
| author | Tony Lindgren <tony@atomide.com> | 2012-11-09 14:58:01 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-11-09 14:58:01 -0800 |
| commit | edf8dde393f879fc2d8c22d4bc01ff8d37b80e1a (patch) | |
| tree | 61425adc8b2059a9c12a3ce66ba7361fea1b0bb3 /net/ipv4/route.c | |
| parent | 6ba54ab4a49bbad736b0254aa6bdf0cb83013815 (diff) | |
| parent | 3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff) | |
Merge branch 'linus' into omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 432f4bb7723..a8c651216fa 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); |