netdev - Re: [PATCH] skye/skge: sparse fix - data can't ever be bigger than LONG

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Date:	Mon, 29 Oct 2007 06:05:14 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Auke Kok <auke-jan.h.kok@...el.com>
CC:	shemminger@...ux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH] skye/skge: sparse fix - data can't ever be bigger than
 LONG_MAX / HZ

Auke Kok wrote:
> Trivial replacement - use INT_MAX instead here.
> 
> Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>
> Cc: shemminger@...ux-foundation.org
> ---
> 
>  drivers/net/sk98lin/skethtool.c |    4 ++--
>  drivers/net/skge.c              |    8 ++++----
>  drivers/net/sky2.c              |    8 ++++----
>  3 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/net/sk98lin/skethtool.c b/drivers/net/sk98lin/skethtool.c
> index 5a6da89..4549b97 100644
> --- a/drivers/net/sk98lin/skethtool.c
> +++ b/drivers/net/sk98lin/skethtool.c
> @@ -430,8 +430,8 @@ static int locateDevice(struct net_device *dev, u32 data)
>  	DEV_NET *pNet = netdev_priv(dev);
>  	SK_AC *pAC = pNet->pAC;
>  
> -	if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
> -		data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
> +	if (!data)
> +		data = INT_MAX;
>  
>  	/* start blinking */
>  	pAC->LedsOn = 0;
> diff --git a/drivers/net/skge.c b/drivers/net/skge.c
> index b9961dc..696a79e 100644
> --- a/drivers/net/skge.c
> +++ b/drivers/net/skge.c
> @@ -783,10 +783,10 @@ static int skge_phys_id(struct net_device *dev, u32 data)
>  	unsigned long ms;
>  	enum led_mode mode = LED_MODE_TST;
>  
> -	if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
> -		ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT / HZ) * 1000;
> -	else
> -		ms = data * 1000;
> +	if (!data)
> +		data = INT_MAX;
> +
> +	ms = data * HZ;
>  
>  	while (ms > 0) {
>  		skge_led(skge, mode);
> diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
> index c27c7d6..1381d04 100644
> --- a/drivers/net/sky2.c
> +++ b/drivers/net/sky2.c
> @@ -3336,10 +3336,10 @@ static int sky2_phys_id(struct net_device *dev, u32 data)
>  	int interrupted;
>  	int onoff = 1;
>  
> -	if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ))
> -		ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT);
> -	else
> -		ms = data * 1000;
> +	if (!data)
> +		data = INT_MAX:
> +
> +	ms = data * HZ;

ditto comments in previous email...

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