On Fri, Sep 03, 2010 at 11:29:05AM +0200, Richard Cochran wrote:
> +long compat_sys_clock_adjtime(clockid_t which_clock,
> + struct compat_timex __user *utp)
> +{
> + struct timex txc;
> + mm_segment_t oldfs;
> + int err, ret;
> +
> + err = compat_get_timex(&txc, utp);
> + if (err)
> + return err;
> +
> + oldfs = get_fs();
> + set_fs(KERNEL_DS);
> + ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc);
> + set_fs(oldfs);
I don't know what the purpose of get_fs, set_fs is, but the other
clock_ functions have it that way. The adjtimex call does not have
this at all, so I ask, do we need this here, or not?
Thanks,
Richard
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