[libvirt] [PATCH] hostdev: Report the domain name for used hostdevs during nodedev-detach

[Shivaprasad G Bhat]

The nodedev-detach can report the name of the domain using the device
just the way nodedev-reattach does it.

Signed-off-by: Shivaprasad G Bhat <sbhat at linux.vnet.ibm.com>
---
 src/util/virhostdev.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/util/virhostdev.c b/src/util/virhostdev.c
index 23365a3..55eb9c9 100644
--- a/src/util/virhostdev.c
+++ b/src/util/virhostdev.c
@@ -1519,11 +1519,18 @@ int
 virHostdevPCINodeDeviceDetach(virHostdevManagerPtr hostdev_mgr,
                               virPCIDevicePtr pci)
 {
+    virPCIDeviceAddressPtr devAddr = NULL;
     int ret = -1;
 
     virObjectLock(hostdev_mgr->activePCIHostdevs);
     virObjectLock(hostdev_mgr->inactivePCIHostdevs);
 
+    if (!(devAddr = virPCIDeviceGetAddress(pci)))
+        goto out;
+
+    if (virHostdevIsPCINodeDeviceUsed(devAddr, hostdev_mgr))
+        goto out;
+
     if (virPCIDeviceDetach(pci, hostdev_mgr->activePCIHostdevs,
                            hostdev_mgr->inactivePCIHostdevs) < 0) {
         goto out;