IPv6: fix device_prefix vlist_key to not include prefix class

diff --git a/interface-ip.c b/interface-ip.c
index 15a91afdb0e69aded2bd8bf284ba5da5a4ee3e15..165d4a8d52c8f4fa939efc5f3b54002029f08e5a 100644 (file)
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -370,7 +370,7 @@ route_cmp(const void *k1, const void *k2, void *ptr)
 static int
 prefix_cmp(const void *k1, const void *k2, void *ptr)
 {
-       return memcmp(k1, k2, sizeof(struct device_prefix) -
+       return memcmp(k1, k2, offsetof(struct device_prefix, pclass) -
                        offsetof(struct device_prefix, addr));
 }