Commit d151f63f authored by Shuah Khan's avatar Shuah Khan Committed by Marcelo Tosatti
Browse files

KVM: change kvm_assign_device() to print return value when iommu_attach_device() fails 



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: default avatarShuah Khan <shuah.khan@hp.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent b6785def

virt/kvm/iommu.c

+1 −5
Original line number Diff line number Diff line
@@ -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;

	}