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From: Jeff Garzik <jgarzik@pobox•com>
To: Francois Romieu <romieu@fr•zoreil.com>
Cc: Julia Lawall <julia@diku•dk>,
	netdev@vger•kernel.org, linux-kernel@vger•kernel.org,
	kernel-janitors@vger•kernel.org
Subject: Re: [PATCH] au1000_eth: remove useless check
Date: Thu, 22 May 2008 06:22:22 -0400	[thread overview]
Message-ID: <4835495E.8020506@pobox.com> (raw)
In-Reply-To: <20080512164421.GB22190@electric-eye.fr.zoreil.com>

Francois Romieu wrote:
> The lifespan of the device covers the request_irq .. free_irq interval.
> 
> The cast of a void * pointer is not needed either.
> 
> Signed-off-by: Francois Romieu <romieu@fr•zoreil.com>
> 
> diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
> index 3634b5f..7023d77 100644
> --- a/drivers/net/au1000_eth.c
> +++ b/drivers/net/au1000_eth.c
> @@ -1239,12 +1239,7 @@ static int au1000_rx(struct net_device *dev)
>   */
>  static irqreturn_t au1000_interrupt(int irq, void *dev_id)
>  {
> -	struct net_device *dev = (struct net_device *) dev_id;
> -
> -	if (dev == NULL) {
> -		printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name);
> -		return IRQ_RETVAL(1);
> -	}
> +	struct net_device *dev = dev_id;
>  

applied



  reply	other threads:[~2008-05-22 10:22 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-12 13:37 [PATCH 3/6] drivers/net: remove null pointer dereference Julia Lawall
2008-05-12 16:17 ` Francois Romieu
2008-05-12 16:53   ` Julia Lawall
2008-05-12 16:44     ` [PATCH] au1000_eth: remove useless check Francois Romieu
2008-05-22 10:22       ` Jeff Garzik [this message]
2008-05-12 17:06     ` [PATCH 3/6] drivers/net: remove null pointer dereference Jeff Garzik
2008-05-12 18:48       ` Julia Lawall

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