diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index e7853c340d7c..ac8396d8206b 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -90,6 +90,8 @@ static void pcistub_device_release(struct kref *kref) dev_dbg(&psdev->dev->dev, "pcistub_device_release\n"); + xen_unregister_device_domain_owner(psdev->dev); + /* Clean-up the device */ pciback_reset_device(psdev->dev); pciback_config_free_dyn_fields(psdev->dev); diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index c0984cb442ca..a0cf7285d320 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include "pciback.h" @@ -221,6 +222,15 @@ static int pciback_export_device(struct pciback_device *pdev, if (err) goto out; + dev_dbg(&dev->dev, "registering for %d\n", pdev->xdev->otherend_id); + if (xen_register_device_domain_owner(dev, + pdev->xdev->otherend_id) != 0) { + dev_err(&dev->dev, "device has been assigned to another " \ + "domain! Over-writting the ownership, but beware.\n"); + xen_unregister_device_domain_owner(dev); + xen_register_device_domain_owner(dev, pdev->xdev->otherend_id); + } + /* TODO: It'd be nice to export a bridge and have all of its children * get exported with it. This may be best done in xend (which will * have to calculate resource usage anyway) but we probably want to @@ -251,6 +261,9 @@ static int pciback_remove_device(struct pciback_device *pdev, goto out; } + dev_dbg(&dev->dev, "unregistering for %d\n", pdev->xdev->otherend_id); + xen_unregister_device_domain_owner(dev); + pciback_release_pci_dev(pdev, dev); out: