Re: [PATCH AUTOSEL 5.10 11/17] spi: spidev: fix a race condition when accessing spidev->spi

Sasha Levin
2023-01-23T00:59:48Z

On Mon, Jan 16, 2023 at 02:40:05PM +0000, Mark Brown wrote:
>On Mon, Jan 16, 2023 at 09:04:42AM -0500, Sasha Levin wrote:
>> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>>
>> [ Upstream commit a720416d94634068951773cb9e9d6f1b73769e5b ]
>>
>> There's a spinlock in place that is taken in file_operations callbacks
>> whenever we check if spidev->spi is still alive (not null). It's also
>> taken when spidev->spi is set to NULL in remove().
>
>There are ongoing discussions of race conditions with this commit.

Okay, I've dropped it. Thanks!

--
Thanks,
Sasha