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Commit 9fb31b66 authored by YueHaibing's avatar YueHaibing Committed by Kalle Valo
Browse files

ath10k: use dma_zalloc_coherent instead of allocator/memset 



Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 5a211627

drivers/net/wireless/ath/ath10k/wmi.c

+1 −3
Original line number Diff line number Diff line
@@ -5018,13 +5018,11 @@ static int ath10k_wmi_alloc_chunk(struct ath10k *ar, u32 req_id, 
	void *vaddr;



	pool_size = num_units * round_up(unit_len, 4);

	vaddr = dma_alloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL);

	vaddr = dma_zalloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL);



	if (!vaddr)

		return -ENOMEM;



	memset(vaddr, 0, pool_size);



	ar->wmi.mem_chunks[idx].vaddr = vaddr;

	ar->wmi.mem_chunks[idx].paddr = paddr;

	ar->wmi.mem_chunks[idx].len = pool_size;