block: Use dma_zalloc_coherent (4d51abf9) · Commits · 戴 / test

Use the zeroing function instead of dma_alloc_coherent & memset(,0,) Signed-off-by:

drivers/block/nvme-core.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -1275,11 +1275,10 @@ 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->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);