RDMA/cxgb4: Remove dependency on __GFP_NOFAIL

The alloc_skb() in various allocations are failable, so remove
__GFP_NOFAIL from their masks.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/cxgb4/cq.c

@@ -43,7 +43,7 @@ static int destroy_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
 	int ret;
 
 	wr_len = sizeof *res_wr + sizeof *res;
-	skb = alloc_skb(wr_len, GFP_KERNEL | __GFP_NOFAIL);
+	skb = alloc_skb(wr_len, GFP_KERNEL);
 	if (!skb)
 		return -ENOMEM;
 	set_wr_txq(skb, CPL_PRIORITY_CONTROL, 0);
@@ -118,7 +118,7 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
 	/* build fw_ri_res_wr */
 	wr_len = sizeof *res_wr + sizeof *res;
 
-	skb = alloc_skb(wr_len, GFP_KERNEL | __GFP_NOFAIL);
+	skb = alloc_skb(wr_len, GFP_KERNEL);
 	if (!skb) {
 		ret = -ENOMEM;
 		goto err4;

drivers/infiniband/hw/cxgb4/mem.c

@@ -59,7 +59,7 @@ static int write_adapter_mem(struct c4iw_rdev *rdev, u32 addr, u32 len,
 		wr_len = roundup(sizeof *req + sizeof *sc +
 				 roundup(copy_len, T4_ULPTX_MIN_IO), 16);
 
-		skb = alloc_skb(wr_len, GFP_KERNEL | __GFP_NOFAIL);
+		skb = alloc_skb(wr_len, GFP_KERNEL);
 		if (!skb)
 			return -ENOMEM;
 		set_wr_txq(skb, CPL_PRIORITY_CONTROL, 0);

drivers/infiniband/hw/cxgb4/qp.c

@@ -130,7 +130,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
 	/* build fw_ri_res_wr */
 	wr_len = sizeof *res_wr + 2 * sizeof *res;
 
-	skb = alloc_skb(wr_len, GFP_KERNEL | __GFP_NOFAIL);
+	skb = alloc_skb(wr_len, GFP_KERNEL);
 	if (!skb) {
 		ret = -ENOMEM;
 		goto err7;
@@ -961,7 +961,7 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
 	PDBG("%s qhp %p qid 0x%x tid %u\n", __func__, qhp, qhp->wq.sq.qid,
 	     qhp->ep->hwtid);
 
-	skb = alloc_skb(sizeof *wqe, GFP_KERNEL | __GFP_NOFAIL);
+	skb = alloc_skb(sizeof *wqe, GFP_KERNEL);
 	if (!skb)
 		return -ENOMEM;
 	set_wr_txq(skb, CPL_PRIORITY_DATA, qhp->ep->txq_idx);
@@ -1035,7 +1035,7 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
 	PDBG("%s qhp %p qid 0x%x tid %u\n", __func__, qhp, qhp->wq.sq.qid,
 	     qhp->ep->hwtid);
 
-	skb = alloc_skb(sizeof *wqe, GFP_KERNEL | __GFP_NOFAIL);
+	skb = alloc_skb(sizeof *wqe, GFP_KERNEL);
 	if (!skb)
 		return -ENOMEM;
 	set_wr_txq(skb, CPL_PRIORITY_DATA, qhp->ep->txq_idx);