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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@gmail.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Sabyasachi Gupta 2018-11-12 20:51:59 +05:30 committed by Jason Gunthorpe
parent fb67034755
commit 2b91fdfd13
1 changed files with 1 additions and 2 deletions
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3
drivers/infiniband/hw/cxgb4/qp.c
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@ -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,