Re: [PATCH 3/4] virtio_blk: Delete an unnecessary initialisation in init_vq()

From: Stefan Hajnoczi
Date: Mon Oct 03 2016 - 05:10:04 EST


On Tue, Sep 13, 2016 at 1:14 PM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>