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Subject[PATCH -next] virtio-pci: fix error return code in vp_legacy_probe()
Date
Return error code if pci_iomap() fails in vp_legacy_probe()

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: c3ca8a3eeb54 ("virtio-pci: introduce legacy device module")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.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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