From: YueHaibing Date: Mon, 4 Jun 2018 12:35:42 +0000 (+0800) Subject: ath10k: use dma_zalloc_coherent instead of allocator/memset X-Git-Tag: v4.19-rc1~140^2~277^2~48^2~10 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9fb31b66b91ff4e6c38fa0a10e517f4282e380e7;p=thirdparty%2Fkernel%2Flinux.git 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: YueHaibing Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index be841cbf80997..877249ac6fd44 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -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;