Re: [PATCH] sound/oss/pss: Fix test of unsigned in pss_reset_dsp() and pss_download_boot()

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At Tue, 15 Dec 2009 23:06:18 +0100,
Roel Kluin wrote:
> 
> limit and jiffies are unsigned so the test does not work.
> 
> Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
> ---
> Found using coccinelle: http://coccinelle.lip6.fr/
> 
> diff --git a/sound/oss/pss.c b/sound/oss/pss.c
> index 83f5ee2..9325f4d 100644
> --- a/sound/oss/pss.c
> +++ b/sound/oss/pss.c
> @@ -269,7 +269,7 @@ static int pss_reset_dsp(pss_confdata * devc)
>  	unsigned long   i, limit = jiffies + HZ/10;
>  
>  	outw(0x2000, REG(PSS_CONTROL));
> -	for (i = 0; i < 32768 && (limit-jiffies >= 0); i++)
> +	for (i = 0; i < 32768 && (limit >= jiffies); i++)

No, it should use time_after_eq(limit, jiffies) instead.


thanks,

Takashi
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