Introduce virDomainInputDefGetPath

Use it to denadify qemuDomainSetupInput.

src/conf/domain_conf.c

@@ -1404,6 +1404,22 @@ void virDomainGraphicsDefFree(virDomainGraphicsDefPtr def)
     VIR_FREE(def);
 }
 
+const char *virDomainInputDefGetPath(virDomainInputDefPtr input)
+{
+    switch ((virDomainInputType) input->type) {
+    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
+    case VIR_DOMAIN_INPUT_TYPE_TABLET:
+    case VIR_DOMAIN_INPUT_TYPE_KBD:
+    case VIR_DOMAIN_INPUT_TYPE_LAST:
+        return NULL;
+        break;
+
+    case VIR_DOMAIN_INPUT_TYPE_PASSTHROUGH:
+        return input->source.evdev;
+    }
+    return NULL;
+}
+
 void virDomainInputDefFree(virDomainInputDefPtr def)
 {
     if (!def)

src/conf/domain_conf.h

@@ -2706,6 +2706,7 @@ int virDomainObjWaitUntil(virDomainObjPtr vm,
 void virDomainPanicDefFree(virDomainPanicDefPtr panic);
 void virDomainResourceDefFree(virDomainResourceDefPtr resource);
 void virDomainGraphicsDefFree(virDomainGraphicsDefPtr def);
+const char *virDomainInputDefGetPath(virDomainInputDefPtr input);
 void virDomainInputDefFree(virDomainInputDefPtr def);
 virDomainDiskDefPtr virDomainDiskDefNew(virDomainXMLOptionPtr xmlopt);
 void virDomainDiskDefFree(virDomainDiskDefPtr def);

src/libvirt_private.syms

@@ -395,6 +395,7 @@ virDomainHypervTypeToString;
 virDomainInputBusTypeToString;
 virDomainInputDefFind;
 virDomainInputDefFree;
+virDomainInputDefGetPath;
 virDomainIOMMUModelTypeFromString;
 virDomainIOMMUModelTypeToString;
 virDomainIOThreadIDAdd;

src/qemu/qemu_domain.c

@@ -9041,25 +9041,12 @@ qemuDomainSetupInput(virQEMUDriverConfigPtr cfg ATTRIBUTE_UNUSED,
                      virDomainInputDefPtr input,
                      const struct qemuDomainCreateDeviceData *data)
 {
-    int ret = -1;
+    const char *path = virDomainInputDefGetPath(input);
 
-    switch ((virDomainInputType) input->type) {
-    case VIR_DOMAIN_INPUT_TYPE_PASSTHROUGH:
-        if (qemuDomainCreateDevice(input->source.evdev, data, false) < 0)
-            goto cleanup;
-        break;
+    if (path && qemuDomainCreateDevice(path, data, false) < 0)
+        return -1;
 
-    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
-    case VIR_DOMAIN_INPUT_TYPE_TABLET:
-    case VIR_DOMAIN_INPUT_TYPE_KBD:
-    case VIR_DOMAIN_INPUT_TYPE_LAST:
-        /* nada */
-        break;
-    }
-
-    ret = 0;
- cleanup:
-    return ret;
+    return 0;
 }