linux-kernel - Re: [PATCH] SUN3/3X Lance trivial fix

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Message-ID: <20070205200155.GC28224@sammy.net>
Date:	Mon, 5 Feb 2007 15:01:56 -0500
From:	Sam Creasey <sammy@...my.net>
To:	"Cyrill V. Gorcunov" <gorcunov@...il.com>
Cc:	linux-kernel-list <linux-kernel@...r.kernel.org>,
	linux-m68k@...r.kernel.org
Subject: Re: [PATCH] SUN3/3X Lance trivial fix

On Mon, Feb 05, 2007 at 10:13:21PM +0300, Cyrill V. Gorcunov wrote:
> This patch adds checking for allocated DVMA
> memory and granted IRQ line.
> 
> Signed-off-by: Cyrill V. Gorcunov <gorcunov@...il.com>

Acked-by: Sam Creasey <sammy@...my.net>

Included in my tree for rolling back into m68k.  I'm fine with it
going upstream as well.

-- Sam

> ---
> 
>  drivers/net/sun3lance.c |    9 ++++++++-
>  1 files changed, 8 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
> index c62e85d..e4c2c88 100644
> --- a/drivers/net/sun3lance.c
> +++ b/drivers/net/sun3lance.c
> @@ -336,13 +336,20 @@ static int __init lance_probe( struct net_device *dev)
>  
>  	/* XXX - leak? */
>  	MEM = dvma_malloc_align(sizeof(struct lance_memory), 0x10000);
> +	if (MEM == NULL) {
> +		printk(KERN_WARNING "SUN3 Lance couldn't allocate DVMA memory\n");
> +		return 0;
> +	}
>  
>  	lp->iobase = (volatile unsigned short *)ioaddr;
>  	dev->base_addr = (unsigned long)ioaddr; /* informational only */
>  
>  	REGA(CSR0) = CSR0_STOP;
>  
> -	request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev);
> +	if (request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev) < 0) {
> +		printk(KERN_WARNING "SUN3 Lance unable to allocate IRQ\n");
> +		return 0;
> +	}
>  	dev->irq = (unsigned short)LANCE_IRQ;
>  
>  
-
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