zebra: remove unnecessary check for parsing macfdb

Since `NDA_VLAN` is no longer mannually defined in header file,
the check for `NDA_VLAN` should be removed.

Signed-off-by: anlan_cs <vic.lan@pica8.com>

diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index f2cf9122fa1c2b4ae2d890f25980f572ceedcf29..2ff083dec5c101f76ed4d045aa490ba37c4604f8 100644 (file)
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -3273,7 +3273,7 @@ static int netlink_macfdb_change(struct nlmsghdr *h, int len, ns_id_t ns_id)
 
        memcpy(&mac, RTA_DATA(tb[NDA_LLADDR]), ETH_ALEN);
 
-       if ((NDA_VLAN <= NDA_MAX) && tb[NDA_VLAN]) {
+       if (tb[NDA_VLAN]) {
                vid_present = 1;
                vid = *(uint16_t *)RTA_DATA(tb[NDA_VLAN]);
                snprintf(vid_buf, sizeof(vid_buf), " VLAN %u", vid);