On Fri, 3 May 2002, David S. Miller wrote:
> If the __get_user() fails, you will leave the kernel in the
> KERNEL_DS segment.
>
> Do it like this instead.
>
> int fault;
> mm_segment_t old_fs;
>
> ...
>
> old_fs = get_fs();
> set_fs(KERNEL_DS);
> fault = __get_user(tmp, pc->name);
> set_fs(old_fs);
>
> if (fault) {
> ...
He can also simply move it outside of the loop to avoid this problem.
bye, Roman
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