rds: spin_lock_irq() is not nestable

This is basically just a cleanup.  IRQs were disabled on the previous
line so we don't need to do it again here.  In the current code IRQs
would get turned on one line earlier than intended.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/rds/ib_rdma.c

@@ -171,9 +171,9 @@ void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *con
 	BUG_ON(list_empty(&ic->ib_node));
 	list_del(&ic->ib_node);
 
-	spin_lock_irq(&rds_ibdev->spinlock);
+	spin_lock(&rds_ibdev->spinlock);
 	list_add_tail(&ic->ib_node, &rds_ibdev->conn_list);
-	spin_unlock_irq(&rds_ibdev->spinlock);
+	spin_unlock(&rds_ibdev->spinlock);
 	spin_unlock_irq(&ib_nodev_conns_lock);
 
 	ic->rds_ibdev = rds_ibdev;

net/rds/iw_rdma.c

@@ -206,9 +206,9 @@ void rds_iw_add_conn(struct rds_iw_device *rds_iwdev, struct rds_connection *con
 	BUG_ON(list_empty(&ic->iw_node));
 	list_del(&ic->iw_node);
 
-	spin_lock_irq(&rds_iwdev->spinlock);
+	spin_lock(&rds_iwdev->spinlock);
 	list_add_tail(&ic->iw_node, &rds_iwdev->conn_list);
-	spin_unlock_irq(&rds_iwdev->spinlock);
+	spin_unlock(&rds_iwdev->spinlock);
 	spin_unlock_irq(&iw_nodev_conns_lock);
 
 	ic->rds_iwdev = rds_iwdev;