ip-neighbor: GARP sent to bogus ip address

[vpp.git] / src / vnet / ip-neighbor / ip4_neighbor.c

diff --git a/src/vnet/ip-neighbor/ip4_neighbor.c b/src/vnet/ip-neighbor/ip4_neighbor.c
index 9484825..9dda50e 100644 (file)
--- a/src/vnet/ip-neighbor/ip4_neighbor.c
+++ b/src/vnet/ip-neighbor/ip4_neighbor.c
@@ -79,8 +79,8 @@ ip4_neighbor_advertise (vlib_main_t * vm,
 
   if (NULL == addr)
     {
-      fib_sas4_get (sw_if_index, NULL, &tmp);
-      addr = &tmp;
+      if (fib_sas4_get (sw_if_index, NULL, &tmp))
+       addr = &tmp;
     }
 
   if (addr)