zebra: clean up SA warning in vxlan code

Resolve an SA warning in the vxlan code.

Signed-off-by: Mark Stapp <mjs@voltanet.io>

diff --git a/zebra/zebra_vxlan.c b/zebra/zebra_vxlan.c
index ff09b48dcfb58c44a7dfaa160984ba6c820a482b..ee167fa5a3430d8bb99d74dc181be1886abb724e 100644 (file)
--- a/zebra/zebra_vxlan.c
+++ b/zebra/zebra_vxlan.c
@@ -9811,6 +9811,9 @@ int zebra_vxlan_local_mac_add_update(struct interface *ifp,
        bool inform_dataplane = false;
        bool new_static = false;
 
+       if (ifp == NULL)
+               return -1;
+
        /* We are interested in MACs only on ports or (port, VLAN) that
         * map to a VNI.
         */