linux-kernel - Re: [PATCH 3/4] virtio_blk: Delete an unnecessary initialisation in init

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Message-ID: <CAJSP0QV+1AYuifSf3oeixuXyThP8Upnd1sxPX=S6i-9Qiu5QKw@mail.gmail.com>
Date:   Mon, 3 Oct 2016 10:09:51 +0100
From:   Stefan Hajnoczi <stefanha@...il.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     Linux Virtualization <virtualization@...ts.linux-foundation.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Julia Lawall <julia.lawall@...6.fr>,
        kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] virtio_blk: Delete an unnecessary initialisation in init_vq()

On Tue, Sep 13, 2016 at 1:14 PM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 13 Sep 2016 13:43:50 +0200
>
> The local variable "err" will be set to an appropriate value
> by a following statement.
> Thus omit the explicit initialisation at the beginning.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/block/virtio_blk.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index d28dbcf..696f452 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -376,7 +376,7 @@ static void virtblk_config_changed(struct virtio_device *vdev)
>
>  static int init_vq(struct virtio_blk *vblk)
>  {
> -       int err = 0;
> +       int err;
>         int i;
>         vq_callback_t **callbacks;
>         const char **names;

Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>