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fib: fix coverity warning/don't dereference NULL

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fib_sas6_get is called with NULL dst explicitly so add a NULL check to
avoid a NULL dereference.

Type: fix
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: I8ebcba98832f374991f5442c1b83a4b6e64771d0
This commit is contained in:
Klement Sekera
2021-10-26 16:23:11 +02:00
committed by Neale Ranns
parent 674d5651e2
commit e46ea1d0c5
1 changed files with 1 additions and 1 deletions
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2
src/vnet/fib/fib_sas.c
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@ -112,7 +112,7 @@ fib_sas6_get (u32 sw_if_index,
/* /*
* if the dst is v6 and link local, use the source link local * if the dst is v6 and link local, use the source link local
*/ */
if (ip6_address_is_link_local_unicast (dst)) if (dst && ip6_address_is_link_local_unicast (dst))
{ {
const ip6_address_t *ll = ip6_get_link_local_address (sw_if_index); const ip6_address_t *ll = ip6_get_link_local_address (sw_if_index);
if (NULL == ll) if (NULL == ll)