On Wed, Dec 22, 2021 at 7:21 PM Peng Hao <flyingpenghao@xxxxxxxxx> wrote:
>
> When pci_iomap return NULL, the return value is zero.
>
> Signed-off-by: Peng Hao <flyingpeng@xxxxxxxxxxx>
> ---
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
> 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..677d1f68bc9b 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 = -EIO;
> goto err_iomap;
> + }
>
> ldev->isr = ldev->ioaddr + VIRTIO_PCI_ISR;
>
> --
> 2.27.0
>
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