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Date:   Tue, 3 Aug 2021 16:02:57 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Xie Yongji <xieyongji@...edance.com>, mst@...hat.com,
        stefanha@...hat.com, sgarzare@...hat.com, parav@...dia.com,
        hch@...radead.org, christian.brauner@...onical.com,
        rdunlap@...radead.org, willy@...radead.org,
        viro@...iv.linux.org.uk, axboe@...nel.dk, bcrl@...ck.org,
        corbet@....net, mika.penttila@...tfour.com,
        dan.carpenter@...cle.com, joro@...tes.org,
        gregkh@...uxfoundation.org, zhe.he@...driver.com,
        xiaodong.liu@...el.com, joe@...ches.com
Cc:     songmuchun@...edance.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 07/17] virtio: Don't set FAILED status bit on device
 index allocation failure


在 2021/7/29 下午3:34, Xie Yongji 写道:
> We don't need to set FAILED status bit on device index allocation
> failure since the device initialization hasn't been started yet.
> This doesn't affect runtime, found in code review.
>
> Signed-off-by: Xie Yongji <xieyongji@...edance.com>


Does it really harm?

Thanks


> ---
>   drivers/virtio/virtio.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
> index 4b15c00c0a0a..a15beb6b593b 100644
> --- a/drivers/virtio/virtio.c
> +++ b/drivers/virtio/virtio.c
> @@ -338,7 +338,7 @@ int register_virtio_device(struct virtio_device *dev)
>   	/* Assign a unique device index and hence name. */
>   	err = ida_simple_get(&virtio_index_ida, 0, 0, GFP_KERNEL);
>   	if (err < 0)
> -		goto out;
> +		return err;
>   
>   	dev->index = err;
>   	dev_set_name(&dev->dev, "virtio%u", dev->index);

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