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Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 81f513d6f27f..7cad0bf1c71c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -960,10 +960,7 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
if (dst_metric_locked(dst, RTAX_MTU))
return;
- if (dst->dev->mtu < mtu)
- return;
-
- if (rt->rt_pmtu && rt->rt_pmtu < mtu)
+ if (ipv4_mtu(dst) < mtu)
return;
if (mtu < ip_rt_min_pmtu)