[PATCH -next 04/26] block: Use dma_zalloc_coherent

From: Joe Perches
Date: Sun Jun 15 2014 - 16:45:30 EST


Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/block/nvme-core.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index a842c71..27b5d3b 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -1242,11 +1242,10 @@ static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
if (!nvmeq)
return NULL;

- nvmeq->cqes = dma_alloc_coherent(dmadev, CQ_SIZE(depth),
- &nvmeq->cq_dma_addr, GFP_KERNEL);
+ nvmeq->cqes = dma_zalloc_coherent(dmadev, CQ_SIZE(depth),
+ &nvmeq->cq_dma_addr, GFP_KERNEL);
if (!nvmeq->cqes)
goto free_nvmeq;
- memset((void *)nvmeq->cqes, 0, CQ_SIZE(depth));

nvmeq->sq_cmds = dma_alloc_coherent(dmadev, SQ_SIZE(depth),
&nvmeq->sq_dma_addr, GFP_KERNEL);
--
1.8.1.2.459.gbcd45b4.dirty

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