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-rw-r--r--net/ipv4/fib_semantics.c7
-rw-r--r--net/ipv4/route.c2
2 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index e5b7182fa099..415f8230fc88 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -779,9 +779,14 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
int type = nla_type(nla);
if (type) {
+ u32 val;
+
if (type > RTAX_MAX)
goto err_inval;
- fi->fib_metrics[type - 1] = nla_get_u32(nla);
+ val = nla_get_u32(nla);
+ if (type == RTAX_ADVMSS && val > 65535 - 40)
+ val = 65535 - 40;
+ fi->fib_metrics[type - 1] = val;
}
}
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 41df5297a412..a91f6d33804c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1951,8 +1951,6 @@ static void rt_set_nexthop(struct rtable *rt, const struct flowi4 *fl4,
if (dst_mtu(dst) > IP_MAX_MTU)
dst_metric_set(dst, RTAX_MTU, IP_MAX_MTU);
- if (dst_metric_raw(dst, RTAX_ADVMSS) > 65535 - 40)
- dst_metric_set(dst, RTAX_ADVMSS, 65535 - 40);
#ifdef CONFIG_IP_ROUTE_CLASSID
#ifdef CONFIG_IP_MULTIPLE_TABLES