Re: [PATCH v6 06/10] iio: adc: ad_sigma_delta: Fix a race condition

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On Sun, Dec 8, 2024 at 2:42 PM Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
> On Fri,  6 Dec 2024 18:28:38 +0100
> Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx> wrote:

...

> From sparse.
>
> drivers/iio/adc/ad_sigma_delta.c:205:13: warning: context imbalance in 'ad_sd_disable_irq' - wrong count at exit
> drivers/iio/adc/ad_sigma_delta.c:218:13: warning: context imbalance in 'ad_sd_enable_irq' - wrong count at exit
>
> I saw your discussion with Linus on this...
>
> https://lore.kernel.org/all/CAHk-=wiVDZejo_1BhOaR33qb=pny7sWnYtP4JUbRTXkXCkW6jA@xxxxxxxxxxxxxx/
>
> So I guess we just treat that as a false positive and move on.

I'm wondering if sparse annotation __acquire and __release may help here...

-- 
With Best Regards,
Andy Shevchenko





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