[GENL]: Add genlmsg_put_reply() to simplify building reply headers

By modyfing genlmsg_put() to take a genl_family and by adding
genlmsg_put_reply() the process of constructing the netlink
and generic netlink headers is simplified.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/netlabel/netlabel_user.h

@@ -41,37 +41,6 @@
 
 /* NetLabel NETLINK helper functions */
 
-/**
- * netlbl_netlink_hdr_put - Write the NETLINK buffers into a sk_buff
- * @skb: the packet
- * @pid: the PID of the receipient
- * @seq: the sequence number
- * @type: the generic NETLINK message family type
- * @cmd: command
- *
- * Description:
- * Write both a NETLINK nlmsghdr structure and a Generic NETLINK genlmsghdr
- * struct to the packet.  Returns a pointer to the start of the payload buffer
- * on success or NULL on failure.
- *
- */
-static inline void *netlbl_netlink_hdr_put(struct sk_buff *skb,
-					   u32 pid,
-					   u32 seq,
-					   int type,
-					   int flags,
-					   u8 cmd)
-{
-	return genlmsg_put(skb,
-			   pid,
-			   seq,
-			   type,
-			   0,
-			   flags,
-			   cmd,
-			   NETLBL_PROTO_VERSION);
-}
-
 /**
  * netlbl_netlink_auditinfo - Fetch the audit information from a NETLINK msg
  * @skb: the packet