diff options
Diffstat (limited to 'src/vnet/ip/ip4_forward.c')
| -rw-r--r-- | src/vnet/ip/ip4_forward.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index 0035cc8a552..677f88cf90c 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -1960,6 +1960,9 @@ ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index, &im->ip4_arp_request_packet_template, &bi); + if (!h) + return clib_error_return (0, "ARP request packet allocation failed"); + hi = vnet_get_sup_hw_interface (vnm, sw_if_index); if (PREDICT_FALSE (!hi->hw_address)) { |