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DHCPv6 Proxy; fix crash when DHCPv6 prxy is not configured and client packet is received

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Change-Id: I0250acdee803545b8923549e2099863a95544691
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
This commit is contained in:
Neale Ranns
2017-01-16 18:09:40 +01:00
committed by Damjan Marion
parent a9a951f8e5
commit 3bd11d786e
1 changed files with 5 additions and 1 deletions
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6
src/vnet/dhcpv6/proxy_node.c
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@ -244,7 +244,11 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
/* Send to DHCPV6 server via the configured FIB */
rx_sw_if_index = sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_RX];
rx_fib_idx = im->fib_index_by_sw_if_index [rx_sw_if_index];
server_idx = dpm->dhcp6_server_index_by_rx_fib_index[rx_fib_idx];
if (vec_len(dpm->dhcp6_server_index_by_rx_fib_index) <= rx_fib_idx)
goto no_server;
server_idx = dpm->dhcp6_server_index_by_rx_fib_index[rx_fib_idx];
if (PREDICT_FALSE (pool_is_free_index (dpm->dhcp6_servers,
server_idx)))