net: Kill NETEVENT_PMTU_UPDATE.

Nobody actually does anything in response to the event,
so just kill it off.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 1 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 2e225dafc4f8..0455af851751 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1762,7 +1762,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
                 }
                 dst_metric_set(dst, RTAX_MTU, mtu);
                 dst_set_expires(dst, ip_rt_mtu_expires);
-                call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
         }
 }