LISP: fix crash when GPE interface is re-added, VPP-685

Change-Id: Ib83baf6ddec4ac192f6b4123d9eb599fb370fd0c
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index 3fda6ac..5c901f3 100644 (file)
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -866,11 +866,11 @@ vnet_lisp_eid_table_map (u32 vni, u32 dp_id, u8 is_l2, u8 is_add)
                        "mapping!", vni, dp_id);
          return -1;
        }
-      hash_unset (dp_table_by_vni[0], vni);
-      hash_unset (vni_by_dp_table[0], dp_id);
-
       /* remove dp iface */
       dp_add_del_iface (lcm, vni, is_l2, 0);
+
+      hash_unset (dp_table_by_vni[0], vni);
+      hash_unset (vni_by_dp_table[0], dp_id);
     }
   return 0;