cxgbit: call neigh_event_send() to update MAC address

If nud_state is not valid then call neigh_event_send() to update MAC
address.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
index 92eb57e2adaf..8de16016b6de 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
@@ -893,6 +893,9 @@ cxgbit_offload_init(struct cxgbit_sock *csk, int iptype, __u8 *peer_ip,
                 return -ENODEV;
 
         rcu_read_lock();
+        if (!(n->nud_state & NUD_VALID))
+                neigh_event_send(n, NULL);
+
         ret = -ENOMEM;
         if (n->dev->flags & IFF_LOOPBACK) {
                 if (iptype == 4)