vxlan: mdb: Adjust function arguments

Adjust the function's arguments and rename it to allow it to be reused
by future call sites that only have access to 'struct
vxlan_mdb_entry_key', but not to 'struct vxlan_mdb_config'.

No functional changes intended.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/vxlan/vxlan_mdb.c

@@ -370,12 +370,10 @@ static bool vxlan_mdb_is_valid_source(const struct nlattr *attr, __be16 proto,
 	return true;
 }
 
-static void vxlan_mdb_config_group_set(struct vxlan_mdb_config *cfg,
+static void vxlan_mdb_group_set(struct vxlan_mdb_entry_key *group,
 				const struct br_mdb_entry *entry,
 				const struct nlattr *source_attr)
 {
-	struct vxlan_mdb_entry_key *group = &cfg->group;
-
 	switch (entry->addr.proto) {
 	case htons(ETH_P_IP):
 		group->dst.sa.sa_family = AF_INET;
@@ -503,7 +501,7 @@ static int vxlan_mdb_config_attrs_init(struct vxlan_mdb_config *cfg,
 				       entry->addr.proto, extack))
 		return -EINVAL;
 
-	vxlan_mdb_config_group_set(cfg, entry, mdbe_attrs[MDBE_ATTR_SOURCE]);
+	vxlan_mdb_group_set(&cfg->group, entry, mdbe_attrs[MDBE_ATTR_SOURCE]);
 
 	/* rtnetlink code only validates that IPv4 group address is
 	 * multicast.