qemuDomainUpdateDeviceFlags: Parse device as live if needed

When updating device it's worth parsing live info too as users
might want to update it as well.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>

src/qemu/qemu_driver.c

@@ -8606,7 +8606,7 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
     int ret = -1;
     virQEMUDriverConfigPtr cfg = NULL;
     virCapsPtr caps = NULL;
-    unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
+    unsigned int parse_flags = 0;
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG |
@@ -8628,15 +8628,19 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
     if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
         goto cleanup;
 
+    if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
+        goto endjob;
+
+    if ((flags & VIR_DOMAIN_AFFECT_CONFIG) &&
+        !(flags & VIR_DOMAIN_AFFECT_LIVE))
+        parse_flags |= VIR_DOMAIN_DEF_PARSE_INACTIVE;
+
     dev = dev_copy = virDomainDeviceDefParse(xml, vm->def,
                                              caps, driver->xmlopt,
                                              parse_flags);
     if (dev == NULL)
         goto endjob;
 
-    if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
-        goto endjob;
-
     if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
         flags & VIR_DOMAIN_AFFECT_LIVE) {
         /* If we are affecting both CONFIG and LIVE