RDS: Establish connection before parsing CMSGs
The first message to a remote node should prompt a new connection.
Even an RDMA op via CMSG. Therefore move CMSG parsing to after
connection establishment.
Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rds/send.c b/net/rds/send.c
index 104fe03..a4a7f42 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -854,11 +854,6 @@
rm->m_daddr = daddr;
- /* Parse any control messages the user may have included. */
- ret = rds_cmsg_send(rs, rm, msg, &allocated_mr);
- if (ret)
- goto out;
-
/* rds_conn_create has a spinlock that runs with IRQ off.
* Caching the conn in the socket helps a lot. */
if (rs->rs_conn && rs->rs_conn->c_faddr == daddr)
@@ -874,6 +869,11 @@
rs->rs_conn = conn;
}
+ /* Parse any control messages the user may have included. */
+ ret = rds_cmsg_send(rs, rm, msg, &allocated_mr);
+ if (ret)
+ goto out;
+
if ((rm->m_rdma_cookie || rm->m_rdma_op)
&& conn->c_trans->xmit_rdma == NULL) {
if (printk_ratelimit())