linux-kernel - Re: [PATCH] HID: vivaldi: fix sysfs attributes leak

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Message-ID: <CAE-0n53tHSswXFKabHEZymn3-sObFU_7n51wRkR0xk9g05SBCw@mail.gmail.com>
Date:   Fri, 25 Feb 2022 20:55:26 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jiri Kosina <jikos@...nel.org>
Cc:     "Sean O'Brien" <seobrien@...omium.org>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: vivaldi: fix sysfs attributes leak

Quoting Dmitry Torokhov (2022-02-25 17:18:58)
> The driver creates the top row map sysfs attribute in input_configured()
> method; unfortunately we do not have a callback that is executed when HID
> interface is unbound, thus we are leaking these sysfs attributes, for
> example when device is disconnected.
>
> To fix it let's switch to managed version of adding sysfs attributes which
> will ensure that they are destroyed when the driver is unbound.
>
> Fixes: 14c9c014babe ("HID: add vivaldi HID driver")
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---

Makes sense

Tested-by: Stephen Boyd <swboyd@...omium.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>

will you make a similar change for the hid-google-hammer driver?