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>

diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index ef02aa6..7ea94b5 100644 (file)
--- 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 ec35d45..5352c8a 100644 (file)
--- 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 e82b7ba..22b239c 100644 (file)
--- 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 2e225da..0455af8 100644 (file)
--- 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 0a63d44..12ec83d 100644 (file)
--- 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);
        }
 }