Re: [PATCH][next] trace: osnoise: Fix u64 less than zero comparison

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On Tue, Jun 29, 2021 at 06:21:32PM +0100, Colin Ian King wrote:
> On 29/06/2021 18:19, Daniel Bristot de Oliveira wrote:
> > On 6/29/21 6:52 PM, Colin King wrote:
> >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >>
> >> The less than zero comparison of the u64 variable 'noise' is always
> >> false because the variable is unsigned. Since the time_sub macro
> >> can potentially return an -ve vale, make the variable a s64 to
> >> fix the issue.
> > 
> > Ops! concurrent bug fixing.
> 
> Well, shows static analysis is doing it's thing and I'm not being
> vigilant enough by spotting that Dan found it earlier :-)

Nah.  I don't normally CC kernel-janitors on bug reports.  I sometimes
do on netdev stuff because Dave told me ten years ago that static
analysis noise on the list was an annoying thing.  And actually on that
one I didn't CC anyone actually, Oops.

regards,
dan carpenter




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