On Tue, 2017-01-24 at 05:18 +0000, Valo, Kalle wrote: > Joe Perches <joe@xxxxxxxxxxx> writes: > > > On Mon, 2017-01-23 at 15:04 +0000, Srinivas Kandagatla wrote: > > > use dma_zalloc_coherent() instead of dma_alloc_coherent and memset(). > > > > [] > > > diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c > > > > [] > > > @@ -896,7 +896,7 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, > > > */ > > > alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT); > > > > > > - data_buf = (unsigned char *)dma_alloc_coherent(ar->dev, > > > + data_buf = (unsigned char *)dma_zalloc_coherent(ar->dev, > > > alloc_nbytes, > > > &ce_data_base, > > > GFP_ATOMIC); > > > > trivia: > > > > Nicer to realign arguments and remove the unnecessary cast. > > > > Perhaps: > > > > data_buf = dma_zalloc_coherent(ar->dev, alloc_nbytes, &ce_data_base, > > GFP_ATOMIC); > > Sure, but that should be in a separate patch. I don't think so, trivial patches can be combined. It's also nicer to realign all modified multiline arguments when performing these changes. Coccinelle generally does it automatically.
