linux-kernel - Re: [PATCH -next] platform/chrome: wilco_ec: Use kmemdup in enqueue

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Message-ID: <CANLzEkvw-UGKh-OE91PiHUvOnjjdbTngnUNwFC4f54h8e3v+9A@mail.gmail.com>
Date:   Thu, 26 Sep 2019 15:43:56 -0700
From:   Benson Leung <bleung@...omium.org>
To:     Nick Crews <ncrews@...omium.org>
Cc:     YueHaibing <yuehaibing@...wei.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH -next] platform/chrome: wilco_ec: Use kmemdup in enqueue_events()

Hey Nick,
On Fri, Jun 21, 2019 at 7:51 AM Nick Crews <ncrews@...omium.org> wrote:
>
> Thanks Yue, looks good to me.
>
> Nick
>
> On Fri, Jun 21, 2019 at 7:59 AM YueHaibing <yuehaibing@...wei.com> wrote:
> >
> > Use kmemdup rather than duplicating its implementation
> >
> > Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> > ---
> >  drivers/platform/chrome/wilco_ec/event.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/platform/chrome/wilco_ec/event.c b/drivers/platform/chrome/wilco_ec/event.c
> > index c975b76e6255..70156e75047e 100644
> > --- a/drivers/platform/chrome/wilco_ec/event.c
> > +++ b/drivers/platform/chrome/wilco_ec/event.c
> > @@ -248,10 +248,9 @@ static int enqueue_events(struct acpi_device *adev, const u8 *buf, u32 length)
> >                 offset += event_size;
> >
> >                 /* Copy event into the queue */
> > -               queue_event = kzalloc(event_size, GFP_KERNEL);
> > +               queue_event = kmemdup(event, event_size, GFP_KERNEL);
> >                 if (!queue_event)
> >                         return -ENOMEM;
> > -               memcpy(queue_event, event, event_size);
> >                 event_queue_push(dev_data->events, queue_event);
> >         }
> >
> >
> >

Looks like this was already incorporated into your commit,
platform/chrome: wilco_ec: Use kmemdup in enqueue_events().

Thanks!
Benson

-- 
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@...gle.com
Chromium OS Project
bleung@...omium.org