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

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Message-ID: <CAHX4x86qUKPTkRFWvWMgTMh1VY8ogJfr55khsSJTakS0emiyFA@mail.gmail.com>
Date:   Fri, 21 Jun 2019 08:50:57 -0600
From:   Nick Crews <ncrews@...omium.org>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     Benson Leung <bleung@...omium.org>,
        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()

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);
>         }
>
>
>