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bgpd: avoid memcmp(NULL, NULL)

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Undefined behavior

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2020-01-07 00:51:35 -05:00
parent eada87a4ab
commit 5dd7070f73
1 changed files with 3 additions and 2 deletions
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5
bgpd/bgp_attr.c
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@ -152,8 +152,9 @@ static bool cluster_hash_cmp(const void *p1, const void *p2)
const struct cluster_list *cluster2 = p2;
return (cluster1->length == cluster2->length
&& memcmp(cluster1->list, cluster2->list, cluster1->length)
== 0);
&& (cluster1->list == cluster2->list
|| memcmp(cluster1->list, cluster2->list, cluster1->length)
== 0));
}
static void cluster_free(struct cluster_list *cluster)