[lvc-project] [PATCH v2] ssb: Fix division by zero issue in ssb_calc_clock_rate

Kalle Valo kvalo at kernel.org
Thu Sep 7 09:00:15 MSK 2023


Rand Deeb <rand.sec96 at gmail.com> wrote:

> In ssb_calc_clock_rate(), there is a potential issue where the value of
> m1 could be zero due to initialization using clkfactor_f6_resolv(). This
> situation raised concerns about the possibility of a division by zero
> error.
> 
> We fixed it by following the suggestions provided by Larry Finger
> <Larry.Finger at lwfinger.net> and Michael Büsch <m at bues.ch>. The fix
> involves returning a value of 1 instead of 0 in clkfactor_f6_resolv().
> This modification ensures the proper functioning of the code and
> eliminates the risk of division by zero errors.
> 
> Signed-off-by: Rand Deeb <rand.sec96 at gmail.com>
> Acked-by: Larry Finger <Larry.Finger at lwfinger.net>
> Acked-by: Michael Büsch <m at bues.ch>

Patch applied to wireless-next.git, thanks.

e0b5127fa134 ssb: Fix division by zero issue in ssb_calc_clock_rate

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230904232346.34991-1-rand.sec96@gmail.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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