[SCTP]: Remove redundant wrapper functions.

sctp_datamsg_free and sctp_datamsg_track are just aliases for
sctp_datamsg_put and sctp_chunk_hold, respectively.

Saves 32 Bytes on x86.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/structs.h

@@ -637,8 +637,6 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *,
 					    struct sctp_sndrcvinfo *,
 					    struct msghdr *, int len);
 void sctp_datamsg_put(struct sctp_datamsg *);
-void sctp_datamsg_free(struct sctp_datamsg *);
-void sctp_datamsg_track(struct sctp_chunk *);
 void sctp_chunk_fail(struct sctp_chunk *, int error);
 int sctp_chunk_abandoned(struct sctp_chunk *);
 

net/sctp/chunk.c

@@ -136,20 +136,6 @@ void sctp_datamsg_put(struct sctp_datamsg *msg)
 		sctp_datamsg_destroy(msg);
 }
 
-/* Free a message.  Really just give up a reference, the
- * really free happens in sctp_datamsg_destroy().
- */
-void sctp_datamsg_free(struct sctp_datamsg *msg)
-{
-	sctp_datamsg_put(msg);
-}
-
-/* Hold on to all the fragments until all chunks have been sent. */
-void sctp_datamsg_track(struct sctp_chunk *chunk)
-{
-	sctp_chunk_hold(chunk);
-}
-
 /* Assign a chunk to this datamsg. */
 static void sctp_datamsg_assign(struct sctp_datamsg *msg, struct sctp_chunk *chunk)
 {
@@ -295,7 +281,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 		chunk = list_entry(pos, struct sctp_chunk, frag_list);
 		sctp_chunk_free(chunk);
 	}
-	sctp_datamsg_free(msg);
+	sctp_datamsg_put(msg);
 	return NULL;
 }
 

net/sctp/socket.c

@@ -1729,7 +1729,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
 	/* Now send the (possibly) fragmented message. */
 	list_for_each(pos, &datamsg->chunks) {
 		chunk = list_entry(pos, struct sctp_chunk, frag_list);
-		sctp_datamsg_track(chunk);
+		sctp_chunk_hold(chunk);
 
 		/* Do accounting for the write space.  */
 		sctp_set_owner_w(chunk);
@@ -1748,7 +1748,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
 		SCTP_DEBUG_PRINTK("We sent primitively.\n");
 	}
 
-	sctp_datamsg_free(datamsg);
+	sctp_datamsg_put(datamsg);
 	if (err)
 		goto out_free;
 	else