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SubjectRe: kernel/timer.c: next_timer_interrupt() strange/buggy(?) code (2.6.18-rc1-mm2)
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On Mon, 17 Jul 2006 20:53:30 +0200, Andreas Mohr said:
> Hi all,
>

> for (i = 0; i < 4; i++) {
> j = INDEX(i);
> do {

> if (j < (INDEX(i)) && i < 3)
> list = varray[i + 1]->vec + (INDEX(i + 1));
> goto found;
> } while (j != (INDEX(i)));
> }
> found:

> Excuse me, but why do we have a while loop here if the last instruction in
> the while loop is a straight "goto found"?

Consider if we take the 'goto found' when i==1. We leave not only the do/while
but also the for loop. A 'continue' instead would leave the do/while and then
drive the i==2 and subsequent 'for' iterations....
(Unless my C mastery has severely faded of late?)
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