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Fix ARP show exception when not ARP entries as found.

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The fix tests if the ARP table exist before attempting to
interate over the entries.

Change-Id: I22cad5ba3a01c3fba1feac33745a29ff1f7f8fe1
Signed-off-by: Keith Wiles <keith.wiles@intel.com>
This commit is contained in:
Keith Wiles
2016-02-11 19:21:10 -06:00
parent 52642c3c53
commit cb46684aac
1 changed files with 11 additions and 8 deletions
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19
vnet/vnet/ethernet/arp.c
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@ -1138,14 +1138,17 @@ show_ip4_arp (vlib_main_t * vm,
es = 0;
pool_foreach (e, am->ip4_entry_pool, ({ vec_add1 (es, e[0]); }));
vec_sort_with_function (es, ip4_arp_entry_sort);
vlib_cli_output (vm, "%U", format_ethernet_arp_ip4_entry, vnm, 0);
vec_foreach (e, es) {
if (sw_if_index != ~0 && e->key.sw_if_index != sw_if_index)
continue;
vlib_cli_output (vm, "%U", format_ethernet_arp_ip4_entry, vnm, e);
}
vec_free (es);
if ( es )
{
vec_sort_with_function (es, ip4_arp_entry_sort);
vlib_cli_output (vm, "%U", format_ethernet_arp_ip4_entry, vnm, 0);
vec_foreach (e, es) {
if (sw_if_index != ~0 && e->key.sw_if_index != sw_if_index)
continue;
vlib_cli_output (vm, "%U", format_ethernet_arp_ip4_entry, vnm, e);
}
vec_free (es);
}
if (vec_len (am->proxy_arps))
{