[PATCH] infiniband/hw/cxgb4/qp.c: Use dma_zalloc_coherent

From: Sabyasachi Gupta
Date: Mon Nov 12 2018 - 10:22:10 EST


Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
---
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