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if sub_interface fails to create, return error and don't continue (fixes a crash)

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This commit is contained in:
Pim van Pelt
2021-09-08 19:50:27 +00:00
parent 3c806d586d
commit 8b3356cd86
1 changed files with 15 additions and 8 deletions
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23
lcpng_interface.c
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@ -809,7 +809,7 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name,
if (1 == sw->sub.eth.flags.dot1ad) outer_proto = ETH_P_8021AD;
LCP_ITF_PAIR_INFO (
"pair_create: createing dot1%s %d inner-dot1q %d on %U",
"pair_create: creating dot1%s %d inner-dot1q %d on %U",
sw->sub.eth.flags.dot1ad ? "ad" : "q", outer_vlan, inner_vlan,
format_vnet_sw_if_index_name, vnet_get_main (), hw->sw_if_index);
@ -907,13 +907,20 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name,
/*
* create a sub-interface on the tap
*/
if (!err && vnet_create_sub_interface (lip->lip_host_sw_if_index,
sw->sub.id, sw->sub.eth.raw_flags,
inner_vlan, outer_vlan,
&host_sw_if_index))
LCP_ITF_PAIR_ERR ("pair_create: failed to create tap subint: %d.%d on %U", outer_vlan, inner_vlan,
format_vnet_sw_if_index_name, vnet_get_main (),
lip->lip_host_sw_if_index);
if (!err &&
vnet_create_sub_interface (lip->lip_host_sw_if_index, sw->sub.id,
sw->sub.eth.raw_flags, inner_vlan,
outer_vlan, &host_sw_if_index))
{
LCP_ITF_PAIR_ERR (
"pair_create: failed to create tap subint: %d.%d on %U",
outer_vlan, inner_vlan, format_vnet_sw_if_index_name,
vnet_get_main (), lip->lip_host_sw_if_index);
err = clib_error_return (
0, "failed to create tap subint: %d.%d on %U", outer_vlan,
inner_vlan, format_vnet_sw_if_index_name, vnet_get_main (),
lip->lip_host_sw_if_index);
}
socket_close:
if (orig_ns_fd != -1)