netdev - Re: [PATCH 1/2] net: fec: use managed DMA API functions to allocate BD ring

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Date:	Tue, 21 Jul 2015 00:32:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	l.stach@...gutronix.de
Cc:	fugang.duan@...escale.com, Frank.Li@...escale.com,
	netdev@...r.kernel.org, kernel@...gutronix.de,
	patchwork-lst@...gutronix.de
Subject: Re: [PATCH 1/2] net: fec: use managed DMA API functions to
 allocate BD ring

From: Lucas Stach <l.stach@...gutronix.de>
Date: Mon, 20 Jul 2015 15:51:37 +0200

> So it gets freed when the device is going away.
> This fixes a DMA memory leak on driver probe() fail and driver
> remove().
> 
> Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
> ---
>  drivers/net/ethernet/freescale/fec_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
> index 349365d85b92..b3287c6b069b 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -3142,7 +3142,7 @@ static int fec_enet_init(struct net_device *ndev)
>  			fep->bufdesc_size;
>  
>  	/* Allocate memory for buffer descriptors. */
> -	cbd_base = dma_alloc_coherent(NULL, bd_size, &bd_dma,
> +	cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma,
>  				      GFP_KERNEL);

When you change the column of the openning parenthesis of a function call, you
must fix up the indentation of the second and subsequent lines so that they all
properly start at the first column after that openning parenthesis.
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