From: Wolfgang Mauerer <wolfgang.maue...@siemens.com>

... by simply traversing the list of controllers
to find the associated PCI address.

Signed-off-by: Wolfgang Mauerer <wolfgang.maue...@siemens.com>
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
 src/qemu/qemu_driver.c |   37 +++++++++++++++++++++++++++++--------
 1 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 1b20937..d3395a7 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -4407,19 +4407,40 @@ try_command:
     }
 
     if (controller_specified) {
-        /* NOTE: Proper check for the controller will be implemented
-           in a later commit */
-       domain = dev->data.disk->controller_pci_addr.domain;
-       bus    = dev->data.disk->controller_pci_addr.bus;
-       slot   = dev->data.disk->controller_pci_addr.slot;
-
         if (dev->data.disk->controller_name) {
-            /* TODO: Obtain the PCI address of the controller
-               from the data structures using the ID */
+            for (i = 0 ; i < vm->def->ncontrollers ; i++) {
+                if (STREQ(dev->data.disk->controller_name,
+                          vm->def->controllers[i]->name)) {
+                    break;
+                }
+            }
+
+            if (i == vm->def->ncontrollers) {
+                qemudReportError(conn, dom, NULL, VIR_ERR_OPERATION_FAILED,
+                                 _("Controller does not exist"));
+                return -1;
+            }
+
+            domain = vm->def->controllers[i]->address->data.pci.domain;
+            bus    = vm->def->controllers[i]->address->data.pci.bus;
+            slot   = vm->def->controllers[i]->address->data.pci.slot;
         } else {
             domain = dev->data.disk->controller_pci_addr.domain;
             bus    = dev->data.disk->controller_pci_addr.bus;
             slot   = dev->data.disk->controller_pci_addr.slot;
+
+            for (i = 0 ; i < vm->def->ncontrollers ; i++) {
+                if (domain == 
vm->def->controllers[i]->address->data.pci.domain &&
+                    bus    == vm->def->controllers[i]->address->data.pci.bus &&
+                    slot   == vm->def->controllers[i]->address->data.pci.slot)
+                    break;
+            }
+
+            if (i == vm->def->ncontrollers) {
+                qemudReportError(conn, dom, NULL, VIR_ERR_OPERATION_FAILED,
+                                 _("Controller does not exist"));
+                return -1;
+            }
        }
 
         if (dev->data.disk->bus_id != -1) {
-- 
1.6.4

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