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[libvirt] [PATCH] qemu: Honor the original properties of PCI device when detaching



This patch fixes two problems:
    1) The device will be reattached to host even if it's not
       managed, as there is a "pciDeviceSetManaged".
    2) The device won't be reattached to host with original
       driver properly. As it doesn't honor the device original
       properties which are maintained by driver->activePciHostdevs.
---
 src/qemu/qemu_hotplug.c |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index bfa524b..f3f0060 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1956,6 +1956,7 @@ int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
     qemuDomainObjPrivatePtr priv = vm->privateData;
     int i, ret;
     pciDevice *pci;
+    pciDevice *activePci;
 
     for (i = 0 ; i < vm->def->nhostdevs ; i++) {
         if (vm->def->hostdevs[i]->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
@@ -2015,16 +2016,15 @@ int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
                        detach->source.subsys.u.pci.bus,
                        detach->source.subsys.u.pci.slot,
                        detach->source.subsys.u.pci.function);
-    if (!pci)
-        ret = -1;
-    else {
-        pciDeviceSetManaged(pci, detach->managed);
-        pciDeviceListDel(driver->activePciHostdevs, pci);
-        if (pciResetDevice(pci, driver->activePciHostdevs, NULL) < 0)
+    if (pci) {
+        activePci = pciDeviceListSteal(driver->activePciHostdevs, pci);
+        if (pciResetDevice(activePci, driver->activePciHostdevs, NULL) < 0)
             ret = -1;
-        pciDeviceReAttachInit(pci);
-        qemuReattachPciDevice(pci, driver);
+        qemuReattachPciDevice(activePci, driver);
         pciFreeDevice(pci);
+        pciFreeDevice(activePci);
+    } else {
+        ret = -1;
     }
 
     if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
-- 
1.7.6


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