[libvirt] [PATCH 4/6] Fix PCI address handling when controllers are deleted.

[Wolfgang Mauerer]

When a controller is not present in the system anymore, the PCI address
must be deleted from libvirt's hashtable because it can be re-used for
other purposes.

Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer at siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>
---
 src/qemu/qemu_driver.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 5394ff5..8960ef8 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6280,6 +6280,11 @@ static int qemudDomainDetachPciControllerDevice(struct qemud_driver *driver,
         VIR_FREE(vm->def->controllers);
         vm->def->ncontrollers = 0;
     }
+
+    if (qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &detach->info) < 0) {
+        VIR_WARN0("Unable to release PCI address on controller");
+    }
+
     virDomainControllerDefFree(detach);
 
     ret = 0;
-- 
1.6.4