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>

5 files changed, 0 insertions, 6 deletions

diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index ef02aa68c926..7ea94b5205f8 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -967,8 +967,6 @@ static int nb_callback(struct notifier_block *self, unsigned long event,
                 cxgb_neigh_update((struct neighbour *)ctx);
                 break;
         }
-        case (NETEVENT_PMTU_UPDATE):
-                break;
         case (NETEVENT_REDIRECT):{
                 struct netevent_redirect *nr = ctx;
                 cxgb_redirect(nr->old, nr->new);
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index ec35d458102c..5352c8a23f4d 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -2471,7 +2471,6 @@ static int netevent_cb(struct notifier_block *nb, unsigned long event,
         case NETEVENT_NEIGH_UPDATE:
                 check_neigh_update(data);
                 break;
-        case NETEVENT_PMTU_UPDATE:
         case NETEVENT_REDIRECT:
         default:
                 break;
diff --git a/include/net/netevent.h b/include/net/netevent.h
index e82b7bab3ff3..22b239c17eaa 100644
--- a/include/net/netevent.h
+++ b/include/net/netevent.h
@@ -21,7 +21,6 @@ struct netevent_redirect {
 
 enum netevent_notif_type {
         NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
-        NETEVENT_PMTU_UPDATE,      /* arg is struct dst_entry ptr */
         NETEVENT_REDIRECT,         /* arg is struct netevent_redirect ptr */
 };
 
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);
         }
 }
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0a63d44e6f48..12ec83d48806 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -965,7 +965,6 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
                         dst_metric_set(dst, RTAX_FEATURES, features);
                 }
                 dst_metric_set(dst, RTAX_MTU, mtu);
-                call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
         }
 }