IB/hfi1: Take advantage of kvzalloc_node in sdma initialization

The code that allocates the tx ring in the sdma code fails to take
advantage of kvzalloc variations.

Fix by converting to use kvzalloc_node.
Reported-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/sdma.c

@@ -1465,13 +1465,8 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
 		if (!sde->descq)
 			goto bail;
 		sde->tx_ring =
-			kcalloc(descq_cnt, sizeof(struct sdma_txreq *),
-				GFP_KERNEL);
-		if (!sde->tx_ring)
-			sde->tx_ring =
-				vzalloc(
-					sizeof(struct sdma_txreq *) *
-					descq_cnt);
+			kvzalloc_node(sizeof(struct sdma_txreq *) * descq_cnt,
+				      GFP_KERNEL, dd->node);
 		if (!sde->tx_ring)
 			goto bail;
 	}