Re: [PATCH] ata: pata_pdc2027x: fix division by zero in pdc_adjust_pll

[Niklas Cassel <cassel@kernel.org>]

On Fri, Aug 28, 2026 at 02:48:06PM +0900, Damien Le Moal wrote:
> On 8/25/26 17:32, Yang Zi wrote:
> > pdc_adjust_pll() divides pout_required by pll_clock_khz before checking
> > that pll_clock_khz is within the valid range. If the PLL input clock is
> > less than 1000 Hz, pll_clock_khz is 0 and the division triggers a
> > divide-by-zero error.
> > 
> > Move the sanity check ahead of the division so the invalid input is
> > rejected before the ratio is computed.
> > 
> > Signed-off-by: Yang Zi <2959243019@qq.com>
> 
> This is needs a fixes tag I think.
> 
> Other than that, looks OK.
> 
> Reviewed-by: Damien Le Moal <dlemoal@kernel.org>

Hello Yang,

Please send a V2 with a Fixes tag.


Kind regards,
Niklas