Messages in this thread Patch in this message | | | From | Peng Hao <> | Subject | [PATCH] virtio/virtio_pci_legacy_dev: ensure the correct return value | Date | Wed, 22 Dec 2021 19:20:14 +0800 |
| |
When pci_iomap return NULL, the return value is zero.
Signed-off-by: Peng Hao <flyingpeng@tencent.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..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
| |