Re: [PATCH 3/8] tlan: use pci_zalloc instead of pci_alloc

From: Joe Perches
Date: Wed Feb 27 2019 - 01:22:14 EST


On Tue, 2019-02-26 at 22:09 -0800, Robert Eshleman wrote:
> This patch replaces a pci_alloc_consistent and memset(,0) call
> with a single call to pci_zalloc_consistent.
[]
> diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
[]
> @@ -845,17 +845,16 @@ static int tlan_init(struct net_device *dev)
>
> dma_size = (TLAN_NUM_RX_LISTS + TLAN_NUM_TX_LISTS)
> * (sizeof(struct tlan_list));
> - priv->dma_storage = pci_alloc_consistent(priv->pci_dev,
> - dma_size,
> - &priv->dma_storage_dma);
> + priv->dma_storage = pci_zalloc_consistent(priv->pci_dev,
> + dma_size,
> + &priv->dma_storage_dma);
> priv->dma_size = dma_size;
>
> - if (priv->dma_storage == NULL) {
> + if (!priv->dma_storage) {
> pr_err("Could not allocate lists and buffers for %s\n",
> dev->name);

unrelated trivia:

This pr_err (and likely others in this file)
could be replace by netdev_err