[Intel-wired-lan] [PATCH v2] ethernet: intel: Replace pci_pool_alloc by pci_pool_zalloc

[Jeff Kirsher]

On Fri, 2016-12-02 at 00:34 +0530, Souptick Joarder wrote:
> In e100_alloc_cbs(), pci_pool_alloc() followed by memset will be
> replaced by pci_pool_zalloc()
> 
> Signed-off-by: Souptick joarder <jrdr.linux at gmail.com>

Why the change?  Is pci_pool_alloc() being deprecated?  I ask because this
is a very old driver and changes will cause a huge regression, where many
of the parts/NICs may not be available to test with.

> ---
> v2:
>   - Alignment changes
> 
>  drivers/net/ethernet/intel/e100.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/e100.c
> b/drivers/net/ethernet/intel/e100.c
> index 068789e..0cf338f 100644
> --- a/drivers/net/ethernet/intel/e100.c
> +++ b/drivers/net/ethernet/intel/e100.c
> @@ -1910,11 +1910,10 @@ static int e100_alloc_cbs(struct nic *nic)
>  	nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL;
>  	nic->cbs_avail = 0;
> 
> -	nic->cbs = pci_pool_alloc(nic->cbs_pool, GFP_KERNEL,
> -				  &nic->cbs_dma_addr);
> +	nic->cbs = pci_pool_zalloc(nic->cbs_pool, GFP_KERNEL,
> +				   &nic->cbs_dma_addr);
>  	if (!nic->cbs)
>  		return -ENOMEM;
> -	memset(nic->cbs, 0, count * sizeof(struct cb));
> 
>  	for (cb = nic->cbs, i = 0; i < count; cb++, i++) {
>  		cb->next = (i + 1 < count) ? cb + 1 : nic->cbs;
> --
> 1.9.1
> 
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