IB/ipath: Make more names static

Make symbols that are only used in a single source file static.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 5ff3de6..01cfb30 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -46,8 +46,8 @@
  * This is called from ipath_post_ud_send() to forward a WQE addressed
  * to the same HCA.
  */
-void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
-		       u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
+static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
+			      u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
 {
 	struct ipath_ibdev *dev = to_idev(sqp->ibqp.device);
 	struct ipath_qp *qp;