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ip: check if interface has link-local address (addition)
68/33568/2
author
Artem Glazychev
<artem.glazychev@xored.com>
Mon, 23 Aug 2021 06:35:31 +0000
(13:35 +0700)
committer
Ed Warnicke
<hagbard@gmail.com>
Wed, 6 Oct 2021 21:34:31 +0000
(21:34 +0000)
previous -
b31fbc47f5fcf8234c757558d7b0285348774086
Type: fix
Signed-off-by: Artem Glazychev <artem.glazychev@xored.com>
Change-Id: I7ea2d693d3ad5bf41ece066b3511fbfa156c1e4b
src/vnet/ip/ip_sas.c
patch
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diff --git
a/src/vnet/ip/ip_sas.c
b/src/vnet/ip/ip_sas.c
index
7d3632d
..
0fc2617
100644
(file)
--- a/
src/vnet/ip/ip_sas.c
+++ b/
src/vnet/ip/ip_sas.c
@@
-80,7
+80,12
@@
ip6_sas_by_sw_if_index (u32 sw_if_index, const ip6_address_t *dst,
if (ip6_address_is_link_local_unicast (dst) ||
dst->as_u32[0] == clib_host_to_net_u32 (0xff020000))
{
- ip6_address_copy (src, ip6_get_link_local_address (sw_if_index));
+ const ip6_address_t *ll = ip6_get_link_local_address (sw_if_index);
+ if (NULL == ll)
+ {
+ return false;
+ }
+ ip6_address_copy (src, ll);
return true;
}