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[Xen-devel] [PATCH 4/5] xen/pciback: Expand the warning message to include domain id.

When a PCI device is transferred to another domain and it is still
in usage (from the internal perspective), mention which other
domain is using it to aid in debugging.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
 drivers/xen/xen-pciback/xenbus.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 474d52e..fa130bd 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -243,8 +243,10 @@ static int xen_pcibk_export_device(struct xen_pcibk_device 
        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");
+               int other_domain = xen_find_device_domain_owner(dev);
+               dev_err(&dev->dev, "device has been assigned to %d " \
+                       "domain! Over-writting the ownership, but beware.\n",
+                       other_domain);
                xen_register_device_domain_owner(dev, pdev->xdev->otherend_id);

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