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| author |  Peng Hao <flyingpenghao@gmail.com>
| 2021-12-22 19:20:14 +0800 |
|---|---|---|
| committer |  Michael S. Tsirkin <mst@redhat.com>
| 2022-01-14 18:50:53 -0500 |
| commit | 49814ce9e21a8b6d6158b2e502fe6bacef4d99b6 (patch) | |
| tree | d1ac787912af65ca71984bc5138d082c2dd4277a /drivers/virtio/virtio_pci_legacy_dev.c | |
| parent | virtio/virtio_mem: handle a possible NULL as a memcpy parameter (diff) | |
| download | linux-49814ce9e21a8b6d6158b2e502fe6bacef4d99b6.tar.gz linux-49814ce9e21a8b6d6158b2e502fe6bacef4d99b6.tar.bz2 linux-49814ce9e21a8b6d6158b2e502fe6bacef4d99b6.zip | |
virtio/virtio_pci_legacy_dev: ensure the correct return value
When pci_iomap return NULL, the return value is zero.
Signed-off-by: Peng Hao <flyingpeng@tencent.com>
Link: https://lore.kernel.org/r/20211222112014.87394-1-flyingpeng@tencent.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_pci_legacy_dev.c')
| -rw-r--r-- | drivers/virtio/virtio_pci_legacy_dev.c | 4 |
1 files changed, 3 insertions, 1 deletions
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; |