sctp: merge sctp_stream_new and sctp_stream_init

Since last patch, sctp doesn't need to alloc memory for asoc->stream any
more. sctp_stream_new and sctp_stream_init both are used to alloc memory
for stream.in or stream.out, and their names are also confusing.

This patch is to merge them into sctp_stream_init, and only pass stream
and streamcnt parameters into it, instead of the whole asoc.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 6625b15..288c5e0 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -246,7 +246,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	if (!sctp_ulpq_init(&asoc->ulpq, asoc))
 		goto fail_init;
 
-	if (sctp_stream_new(asoc, gfp))
+	if (sctp_stream_init(&asoc->stream, asoc->c.sinit_num_ostreams,
+			     0, gfp))
 		goto fail_init;
 
 	/* Assume that peer would support both address types unless we are