RE: [EXT] [PATCH 73/87] ethernet: freescale: Remove memset after dma_alloc_coherent

[Andy Duan]

From: Fuqian Huang <huangfq.daxian@xxxxxxxxx> Sent: Friday, June 28, 2019 1:47 AM
> In commit af7ddd8a627c
> ("Merge tag 'dma-mapping-4.21' of
> git://git.infradead.org/users/hch/dma-mapping"),
> dma_alloc_coherent has already zeroed the memory.
> So memset is not needed.
> 
> Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>

Acked-by: Fugang Duan <fugang.duan@xxxxxxx>
> ---
>  drivers/net/ethernet/freescale/fec_main.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/freescale/fec_main.c
> b/drivers/net/ethernet/freescale/fec_main.c
> index 38f10f7dcbc3..ec87b8b78d21 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -3143,8 +3143,6 @@ static int fec_enet_init(struct net_device *ndev)
>                 return -ENOMEM;
>         }
> 
> -       memset(cbd_base, 0, bd_size);
> -
>         /* Get the Ethernet address */
>         fec_get_mac(ndev);
>         /* make sure MAC we just acquired is programmed into the hw */
> --
> 2.11.0