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Message-Id: <171534996897.34114.8159265536879918834.b4-ty@linaro.org>
Date: Fri, 10 May 2024 16:06:16 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org,
brgl@...ev.pl,
linus.walleij@...aro.org,
Kent Gibson <warthog618@...il.com>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH] gpiolib: cdev: fix uninitialised kfifo
From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
On Fri, 10 May 2024 14:53:42 +0800, Kent Gibson wrote:
> If a line is requested with debounce, and that results in debouncing
> in software, and the line is subsequently reconfigured to enable edge
> detection then the allocation of the kfifo to contain edge events is
> overlooked. This results in events being written to and read from an
> unitialised kfifo. Read events are returned to userspace.
>
> Initialise the kfifo in the case where the software debounce is
> already active.
>
> [...]
Applied, thanks!
[1/1] gpiolib: cdev: fix uninitialised kfifo
commit: 3c1625fe5a2e0d68cd7b68156f02c1b5de09a161
Best regards,
--
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
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