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From 84799010fc72913eb398674f8da7df525bde8fcb Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 16 Jul 2012 08:14:31 +0200
Subject: [PATCH] Revert "ipv4: Don't use the cached pmtu informations for
input routes"
This reverts commit 261663b0ee2ee8e3947f4c11c1a08be18cd2cea1.
---
net/ipv4/route.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 167ea10..f21e282 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1917,15 +1917,15 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst)
static unsigned int ipv4_mtu(const struct dst_entry *dst)
{
- const struct rtable *rt = (const struct rtable *) dst;
unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
- if (mtu && rt_is_output_route(rt))
+ if (mtu)
return mtu;
mtu = dst->dev->mtu;
if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
+ const struct rtable *rt = (const struct rtable *) dst;
if (rt->rt_gateway != rt->rt_dst && mtu > 576)
mtu = 576;
--
1.7.11.2
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