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authorArtem Glazychev <artem.glazychev@xored.com>2021-08-23 13:35:31 +0700
committerEd Warnicke <hagbard@gmail.com>2021-10-06 21:34:31 +0000
commit5b5b89a046dff506756a2d56a5596009858570e8 (patch)
tree06ad5ac255fe9a22fad35ce008be2454125e150a
parentdd630d15d3e9d13da9ed98d3171b9ec4529e4e66 (diff)
ip: check if interface has link-local address (addition)
previous - b31fbc47f5fcf8234c757558d7b0285348774086 Type: fix Signed-off-by: Artem Glazychev <artem.glazychev@xored.com> Change-Id: I7ea2d693d3ad5bf41ece066b3511fbfa156c1e4b
-rw-r--r--src/vnet/ip/ip_sas.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/vnet/ip/ip_sas.c b/src/vnet/ip/ip_sas.c
index 7d3632d95ed..0fc261724f1 100644
--- 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;
}