linux-kernel - Re: [PATCH] hid: hid-logitech-hidpp: avoid unnecessary assignments in hidpp_connect

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Message-ID: <CAO-hwJ+ct4UF6yEx0BPf6dHuw=sbMoo13oxPEoeEqdz6ut07ew@mail.gmail.com>
Date:   Tue, 20 Sep 2022 15:36:55 +0200
From:   Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:     Hangyu Hua <hbh25y@...il.com>
Cc:     Filipe Laíns <lains@...eup.net>,
        Jiri Kosina <jikos@...nel.org>,
        "open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] hid: hid-logitech-hidpp: avoid unnecessary assignments in hidpp_connect_event

On Tue, Sep 6, 2022 at 9:57 AM Hangyu Hua <hbh25y@...il.com> wrote:
>
> On 12/8/2022 10:55, Hangyu Hua wrote:
> > hidpp->delayed_input can't be assigned to an object that already call
> > input_free_device when input_register_device fails.
> >
> > Fixes: c39e3d5fc9dd ("HID: logitech-hidpp: late bind the input device on wireless connection")
> > Signed-off-by: Hangyu Hua <hbh25y@...il.com>
> > ---
> >   drivers/hid/hid-logitech-hidpp.c | 4 +++-
> >   1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
> > index 68f9e9d207f4..c3602bf8f9b9 100644
> > --- a/drivers/hid/hid-logitech-hidpp.c
> > +++ b/drivers/hid/hid-logitech-hidpp.c
> > @@ -3959,8 +3959,10 @@ static void hidpp_connect_event(struct hidpp_device *hidpp)
> >       hidpp_populate_input(hidpp, input);
> >
> >       ret = input_register_device(input);
> > -     if (ret)
> > +     if (ret) {
> >               input_free_device(input);
> > +             return;
> > +     }
> >
> >       hidpp->delayed_input = input;
> >   }
> Gentel ping.
>

Applied to for-6.1/logitech in hid.git

Sorry for the delay

Cheers,
Benjamin