[SCTP]: Make sctp_addto_param() static.

sctp_addto_param() can become static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/structs.h

@@ -731,7 +731,6 @@ int sctp_user_addto_chunk(struct sctp_chunk *chunk, int off, int len,
 			  struct iovec *data);
 void sctp_chunk_free(struct sctp_chunk *);
 void  *sctp_addto_chunk(struct sctp_chunk *, int len, const void *data);
-void  *sctp_addto_param(struct sctp_chunk *, int len, const void *data);
 struct sctp_chunk *sctp_chunkify(struct sk_buff *,
 				 const struct sctp_association *,
 				 struct sock *);

net/sctp/sm_make_chunk.c

@@ -839,6 +839,26 @@ struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc,
 	return retval;
 }
 
+/* Append bytes to the end of a parameter.  Will panic if chunk is not big
+ * enough.
+ */
+static void *sctp_addto_param(struct sctp_chunk *chunk, int len,
+			      const void *data)
+{
+	void *target;
+	int chunklen = ntohs(chunk->chunk_hdr->length);
+
+	target = skb_put(chunk->skb, len);
+
+	memcpy(target, data, len);
+
+	/* Adjust the chunk length field.  */
+	chunk->chunk_hdr->length = htons(chunklen + len);
+	chunk->chunk_end = skb_tail_pointer(chunk->skb);
+
+	return target;
+}
+
 /* Make an ABORT chunk with a PROTOCOL VIOLATION cause code. */
 struct sctp_chunk *sctp_make_abort_violation(
 	const struct sctp_association *asoc,
@@ -1146,25 +1166,6 @@ void *sctp_addto_chunk(struct sctp_chunk *chunk, int len, const void *data)
 	return target;
 }
 
-/* Append bytes to the end of a parameter.  Will panic if chunk is not big
- * enough.
- */
-void *sctp_addto_param(struct sctp_chunk *chunk, int len, const void *data)
-{
-	void *target;
-	int chunklen = ntohs(chunk->chunk_hdr->length);
-
-	target = skb_put(chunk->skb, len);
-
-	memcpy(target, data, len);
-
-	/* Adjust the chunk length field.  */
-	chunk->chunk_hdr->length = htons(chunklen + len);
-	chunk->chunk_end = skb_tail_pointer(chunk->skb);
-
-	return target;
-}
-
 /* Append bytes from user space to the end of a chunk.  Will panic if
  * chunk is not big enough.
  * Returns a kernel err value.