IB/core: Rename ib_create_ah to rdma_create_ah

Rename ib_create_ah to rdma_create_ah so its in sync with the
rename of the ib address handle attribute

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index 00f7831..7f671a2 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -86,8 +86,8 @@ static void update_sm_ah(struct mthca_dev *dev,
 	ah_attr.sl       = sl;
 	ah_attr.port_num = port_num;
 
-	new_ah = ib_create_ah(dev->send_agent[port_num - 1][0]->qp->pd,
-			      &ah_attr);
+	new_ah = rdma_create_ah(dev->send_agent[port_num - 1][0]->qp->pd,
+				&ah_attr);
 	if (IS_ERR(new_ah))
 		return;