Re: [PATCH] Fix cpuset sched_relax_domain_level control file

From: Andrew Morton
Date: Tue May 06 2008 - 21:39:56 EST


On Tue, 06 May 2008 18:08:17 -0700 Paul Menage <menage@xxxxxxxxxx> wrote:

> -static int update_relax_domain_level(struct cpuset *cs, char *buf)
> +static int update_relax_domain_level(struct cpuset *cs, s64 val)
> {
> - int val = simple_strtol(buf, NULL, 10);
> -
> - if (val < 0)
> + if ((int)val < 0)
> val = -1;
>

Are you sure about the typecast here? If `val' has a value of say
0x0000_ffff_ffff_ffff then I assume the casted value will be negative, only
it wasn't?

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