linux-kernel - Re: [PATCH] virtio-mem: drop unnecessary initialization

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Date:   Mon, 8 Jun 2020 13:59:40 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org
Cc:     kernel test robot <lkp@...el.com>,
        David Hildenbrand <david@...hat.com>,
        Pankaj Gupta <pankaj.gupta.linux@...il.com>,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] virtio-mem: drop unnecessary initialization


On 2020/6/8 下午1:45, Michael S. Tsirkin wrote:
> rc is initialized to -ENIVAL but that's never used. Drop it.
>
> Fixes: 5f1f79bbc9e2 ("virtio-mem: Paravirtualized memory hotplug")
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>   drivers/virtio/virtio_mem.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
> index f658fe9149be..2f357142ea5e 100644
> --- a/drivers/virtio/virtio_mem.c
> +++ b/drivers/virtio/virtio_mem.c
> @@ -1768,7 +1768,7 @@ static void virtio_mem_delete_resource(struct virtio_mem *vm)
>   static int virtio_mem_probe(struct virtio_device *vdev)
>   {
>   	struct virtio_mem *vm;
> -	int rc = -EINVAL;
> +	int rc;
>   
>   	BUILD_BUG_ON(sizeof(struct virtio_mem_req) != 24);
>   	BUILD_BUG_ON(sizeof(struct virtio_mem_resp) != 10);


Acked-by: Jason Wang <jasowang@...hat.com>