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Date:   Wed, 27 Oct 2021 10:37:15 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        virtualization <virtualization@...ts.linux-foundation.org>,
        mst <mst@...hat.com>
Subject: Re: [PATCH -next] virtio-pci: fix error return code in vp_legacy_probe()

On Tue, Oct 26, 2021 at 9:39 PM Yang Yingliang <yangyingliang@...wei.com> wrote:
>
> Return error code if pci_iomap() fails in vp_legacy_probe()
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes: c3ca8a3eeb54 ("virtio-pci: introduce legacy device module")
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> ---

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

>  drivers/virtio/virtio_pci_legacy_dev.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio_pci_legacy_dev.c b/drivers/virtio/virtio_pci_legacy_dev.c
> index 9b97680dd02b..4ca3ef38d3bf 100644
> --- a/drivers/virtio/virtio_pci_legacy_dev.c
> +++ b/drivers/virtio/virtio_pci_legacy_dev.c
> @@ -45,8 +45,10 @@ int vp_legacy_probe(struct virtio_pci_legacy_device *ldev)
>                 return rc;
>
>         ldev->ioaddr = pci_iomap(pci_dev, 0, 0);
> -       if (!ldev->ioaddr)
> +       if (!ldev->ioaddr) {
> +               rc = -ENOMEM;
>                 goto err_iomap;
> +       }
>
>         ldev->isr = ldev->ioaddr + VIRTIO_PCI_ISR;
>
> --
> 2.25.1
>

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