linux-kernel - [PATCH] infiniband/hw/cxgb4/qp.c: Use dma_zalloc

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Message-ID: <5be99a9e.1c69fb81.87c65.4ec2@mx.google.com>
Date:   Mon, 12 Nov 2018 20:51:59 +0530
From:   Sabyasachi Gupta <sabyasachi.linux@...il.com>
To:     swise@...lsio.com, dledford@...hat.com, jgg@...pe.ca
Cc:     jrdr.linux@...il.com, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, brajeswar.linux@...il.com
Subject: [PATCH] infiniband/hw/cxgb4/qp.c: Use dma_zalloc_coherent

Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@...il.com>
---
 drivers/infiniband/hw/cxgb4/qp.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 13478f3..5a8030b 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -2564,13 +2564,12 @@ static int alloc_srq_queue(struct c4iw_srq *srq, struct c4iw_dev_ucontext *uctx,
 	wq->rqt_abs_idx = (wq->rqt_hwaddr - rdev->lldi.vr->rq.start) >>
 		T4_RQT_ENTRY_SHIFT;
 
-	wq->queue = dma_alloc_coherent(&rdev->lldi.pdev->dev,
+	wq->queue = dma_zalloc_coherent(&rdev->lldi.pdev->dev,
 				       wq->memsize, &wq->dma_addr,
 			GFP_KERNEL);
 	if (!wq->queue)
 		goto err_free_rqtpool;
 
-	memset(wq->queue, 0, wq->memsize);
 	dma_unmap_addr_set(wq, mapping, wq->dma_addr);
 
 	wq->bar2_va = c4iw_bar2_addrs(rdev, wq->qid, CXGB4_BAR2_QTYPE_EGRESS,
-- 
2.7.4