sctp: factor out sctp_sendmsg_update_sinfo from sctp_sendmsg
This patch is to move the codes for trying to get sinfo from
asoc into sctp_sendmsg_update_sinfo.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index bf089e5..bd1a657 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1892,6 +1892,21 @@ static union sctp_addr *sctp_sendmsg_get_daddr(struct sock *sk,
return daddr;
}
+static void sctp_sendmsg_update_sinfo(struct sctp_association *asoc,
+ struct sctp_sndrcvinfo *sinfo,
+ struct sctp_cmsgs *cmsgs)
+{
+ if (!cmsgs->srinfo && !cmsgs->sinfo) {
+ sinfo->sinfo_stream = asoc->default_stream;
+ sinfo->sinfo_ppid = asoc->default_ppid;
+ sinfo->sinfo_context = asoc->default_context;
+ sinfo->sinfo_assoc_id = sctp_assoc2id(asoc);
+ }
+
+ if (!cmsgs->srinfo)
+ sinfo->sinfo_timetolive = asoc->default_timetolive;
+}
+
static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)
{
struct sctp_endpoint *ep = sctp_sk(sk)->ep;
@@ -1951,15 +1966,8 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)
new_asoc = asoc;
}
- if (!cmsgs.srinfo && !cmsgs.sinfo) {
- sinfo->sinfo_stream = asoc->default_stream;
- sinfo->sinfo_ppid = asoc->default_ppid;
- sinfo->sinfo_context = asoc->default_context;
- sinfo->sinfo_assoc_id = sctp_assoc2id(asoc);
- }
-
- if (!cmsgs.srinfo)
- sinfo->sinfo_timetolive = asoc->default_timetolive;
+ /* Update snd_info with the asoc */
+ sctp_sendmsg_update_sinfo(asoc, sinfo, &cmsgs);
/* If an address is passed with the sendto/sendmsg call, it is used
* to override the primary destination address in the TCP model, or
