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-rw-r--r--net/ipv4/route.c2
-rw-r--r--net/ipv6/route.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0c74da8a0473..5b17bf124a33 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2757,7 +2757,7 @@ static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 coo
static unsigned int ipv4_blackhole_default_mtu(const struct dst_entry *dst)
{
- return 0;
+ return dst->dev->mtu;
}
static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8473016bba4a..d8fbd18c9467 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -157,7 +157,7 @@ static struct dst_ops ip6_dst_ops_template = {
static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
{
- return 0;
+ return dst->dev->mtu;
}
static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)