netdev - Re: [Fwd: [PATCH 1/2] CS89X0: Add cleanup for dma after fail]

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Date:	Fri, 30 May 2008 22:12:57 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Wang Chen <wangchen@...fujitsu.com>
CC:	"David S. Miller" <davem@...emloft.net>,
	NETDEV <netdev@...r.kernel.org>, akpm@...ux-foundation.org
Subject: Re: [Fwd: [PATCH 1/2] CS89X0: Add cleanup for dma after fail]

Wang Chen wrote:
> Jeff, will you pick up this one?
> I also cc Andrew, because his name is in the code.
> 
> From: Wang Chen <wangchen@...fujitsu.com>
> 
> After request_dma() succeeding, any error path should do free_dma().
> 
> Signed-off-by: Wang Chen <wangchen@...fujitsu.com>
> ---
>  drivers/net/cs89x0.c |   10 +++++++---
>  1 files changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
> index 348371f..fba87ab 100644
> --- a/drivers/net/cs89x0.c
> +++ b/drivers/net/cs89x0.c
> @@ -1394,7 +1394,11 @@ net_open(struct net_device *dev)
>  #endif
>          if (!result) {
>                  printk(KERN_ERR "%s: EEPROM is configured for unavailable media\n", dev->name);
> -        release_irq:
> +release_dma:
> +#if ALLOW_DMA
> +		free_dma(dev->dma);
> +#endif
> +release_irq:
>  #if ALLOW_DMA
>  		release_dma_buff(lp);
>  #endif
> @@ -1442,12 +1446,12 @@ net_open(struct net_device *dev)
>  			if ((result = detect_bnc(dev)) != DETECTED_NONE)
>  				break;
>  		printk(KERN_ERR "%s: no media detected\n", dev->name);
> -                goto release_irq;
> +		goto release_dma;
>  	}

applied


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