The masking was wrong (must have been 0x7f), and there is no need to re-read the value as pci_setup_device already does this for us.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43339 Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> --- virt/kvm/assigned-dev.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index 01f572c..b1e091a 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -635,7 +635,6 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, int r = 0, idx; struct kvm_assigned_dev_kernel *match; struct pci_dev *dev; - u8 header_type; if (!(assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU)) return -EINVAL; @@ -668,8 +667,7 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, } /* Don't allow bridges to be assigned */ - pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type); - if ((header_type & PCI_HEADER_TYPE) != PCI_HEADER_TYPE_NORMAL) { + if (dev->hdr_type != PCI_HEADER_TYPE_NORMAL) { r = -EPERM; goto out_put; } -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
