net/sctp: Make wrappers for accessing in/out streams

This patch introduces wrappers for accessing in/out streams indirectly.
This will enable to replace physically contiguous memory arrays
of streams with flexible arrays (or maybe any other appropriate
mechanism) which do memory allocation on a per-page basis.

Signed-off-by: Oleg Babin <obabin@virtuozzo.com>
Signed-off-by: Konstantin Khorenko <khorenko@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 502c0d7cb105..e96b15a66aba 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1911,7 +1911,7 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
                 goto err;
         }
 
-        if (unlikely(!asoc->stream.out[sinfo->sinfo_stream].ext)) {
+        if (unlikely(!SCTP_SO(&asoc->stream, sinfo->sinfo_stream)->ext)) {
                 err = sctp_stream_init_ext(&asoc->stream, sinfo->sinfo_stream);
                 if (err)
                         goto err;
@@ -7154,7 +7154,7 @@ static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len,
         if (!asoc || params.sprstat_sid >= asoc->stream.outcnt)
                 goto out;
 
-        streamoute = asoc->stream.out[params.sprstat_sid].ext;
+        streamoute = SCTP_SO(&asoc->stream, params.sprstat_sid)->ext;
         if (!streamoute) {
                 /* Not allocated yet, means all stats are 0 */
                 params.sprstat_abandoned_unsent = 0;