From 5b5b89a046dff506756a2d56a5596009858570e8 Mon Sep 17 00:00:00 2001 From: Artem Glazychev Date: Mon, 23 Aug 2021 13:35:31 +0700 Subject: [PATCH] ip: check if interface has link-local address (addition) previous - b31fbc47f5fcf8234c757558d7b0285348774086 Type: fix Signed-off-by: Artem Glazychev Change-Id: I7ea2d693d3ad5bf41ece066b3511fbfa156c1e4b --- src/vnet/ip/ip_sas.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) 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; } -- 2.16.6