[libvirt] [PATCH v2 05/15] qemu: Simplify modelName stringification

[Andrea Bolognani]

There's no need to perform checks before conversion, we can
just go try and check the results later on.

Signed-off-by: Andrea Bolognani <abologna at redhat.com>
---
 src/qemu/qemu_command.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 2291bf5da..a44a1b2d2 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2725,13 +2725,8 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
         break;
 
     case VIR_DOMAIN_CONTROLLER_TYPE_PCI: {
-        const virDomainPCIControllerOpts *pciopts;
-        const char *modelName = NULL;
-
-        pciopts = &def->opts.pciopts;
-        if (def->model != VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT &&
-            def->model != VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST)
-            modelName = virDomainControllerPCIModelNameTypeToString(pciopts->modelName);
+        const virDomainPCIControllerOpts *pciopts = &def->opts.pciopts;
+        const char *modelName = virDomainControllerPCIModelNameTypeToString(pciopts->modelName);
 
         /* Skip the implicit PHB for pSeries guests */
         if (def->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT &&
@@ -2741,6 +2736,13 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
             goto done;
         }
 
+        if (!modelName) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Unknown virDomainControllerPCIModelName value: %d"),
+                           pciopts->modelName);
+            return -1;
+        }
+
         switch ((virDomainControllerModelPCI) def->model) {
         case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
             virBufferAsprintf(&buf, "%s,chassis_nr=%d,id=%s",
-- 
2.14.3