Re: [PATCH] gpio: mockup: fix debugfs read

From: Linus Walleij
Date: Thu Mar 28 2019 - 12:38:06 EST


On Fri, Mar 22, 2019 at 6:30 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:

> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> The debugfs read callback must advance ppos or users using read() on
> the file descriptor will never get the EOL. This wasn't spotted before
> as I was using busybox cat for testing which uses sendfile() internally
> and only noticed it now when switched to cat from coreutils.
>
> Fixes: 2a9e27408e12 ("gpio: mockup: rework debugfs interface")
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>

Patch applied for fixes.
Sorry for slow application, I was in no-wifi-land for some days.

Yours,
Linus Walleij