Change existing kernel error message to include return value from
iommu_attach_device() when it fails. This will help debug device
assignment failures more effectively.
Signed-off-by: Shuah Khan <shuah.khan@xxxxxx>
---
virt/kvm/iommu.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 037cb67..18e1e30 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -168,11 +168,7 @@ int kvm_assign_device(struct kvm *kvm,
r = iommu_attach_device(domain, &pdev->dev);
if (r) {
- printk(KERN_ERR "assign device %x:%x:%x.%x failed",
- pci_domain_nr(pdev->bus),
- pdev->bus->number,
- PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn));
+ dev_err(&pdev->dev, "kvm assign device failed ret %d", r);
return r;
}
--
1.7.9.5
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