| Message ID | 20180604123542.24336-1-yuehaibing@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 9fb31b66b91ff4e6c38fa0a10e517f4282e380e7 |
| Delegated to: | Kalle Valo |
| Headers | show |
YueHaibing <yuehaibing@huawei.com> wrote: > Use dma_zalloc_coherent instead of dma_alloc_coherent > followed by memset 0. > > Signed-off-by: YueHaibing <yuehaibing@huawei.com> > Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Patch applied to ath-next branch of ath.git, thanks. 9fb31b66b91f ath10k: use dma_zalloc_coherent instead of allocator/memset
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index f97ab79..72db3bd 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;
Use dma_zalloc_coherent instead of dma_alloc_coherent followed by memset 0. Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- drivers/net/wireless/ath/ath10k/wmi.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)