audit: Share virtType fallback logic

diff --git a/src/conf/domain_audit.c b/src/conf/domain_audit.c
index d9be638f05..fc13338d64 100644
--- a/src/conf/domain_audit.c
+++ b/src/conf/domain_audit.c
@@ -68,6 +68,21 @@  virDomainAuditGetRdev(const char *path ATTRIBUTE_UNUSED)
 #endif
 
 
+static const char *
+virDomainAuditGetVirtType(virDomainDefPtr def)
+{
+    const char *virt;
+
+    if (!(virt = virDomainVirtTypeToString(def->virtType))) {
+        VIR_WARN("Unexpected virt type %d while encoding audit message",
+                 def->virtType);
+        virt = "?";
+    }
+
+    return virt;
+}
+
+
 static void
 virDomainAuditGenericDev(virDomainObjPtr vm,
                          const char *type,
@@ -82,7 +97,7 @@  virDomainAuditGenericDev(virDomainObjPtr vm,
     char *vmname = NULL;
     char *oldsrc = NULL;
     char *newsrc = NULL;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     /* if both new and old source aren't provided don't log anything */
     if (!newsrcpath && !oldsrcpath)
@@ -99,12 +114,6 @@  virDomainAuditGenericDev(virDomainObjPtr vm,
     if (!(vmname = virAuditEncode("vm", vm->def->name)))
         goto no_memory;
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message",
-                 vm->def->virtType);
-        virt = "?";
-    }
-
     if (!(newsrc = virAuditEncode(newdev, VIR_AUDIT_STR(newsrcpath))))
         goto no_memory;
 
@@ -312,7 +321,7 @@  virDomainAuditNetDevice(virDomainDefPtr vmDef, virDomainNetDefPtr netDef,
     char *vmname;
     char *dev_name = NULL;
     char *rdev;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vmDef);
 
     virUUIDFormat(vmDef->uuid, uuidstr);
     virMacAddrFormat(&netDef->mac, macstr);
@@ -324,11 +333,6 @@  virDomainAuditNetDevice(virDomainDefPtr vmDef, virDomainNetDefPtr netDef,
         goto cleanup;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vmDef->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vmDef->virtType);
-        virt = "?";
-    }
-
     VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
               "virt=%s resrc=net reason=open %s uuid=%s net=%s %s rdev=%s",
               virt, vmname, uuidstr, macstr, dev_name, VIR_AUDIT_STR(rdev));
@@ -356,7 +360,8 @@  virDomainAuditHostdev(virDomainObjPtr vm, virDomainHostdevDefPtr hostdev,
     char *vmname;
     char *address = NULL;
     char *device = NULL;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
+
     virDomainHostdevSubsysUSBPtr usbsrc = &hostdev->source.subsys.u.usb;
     virDomainHostdevSubsysPCIPtr pcisrc = &hostdev->source.subsys.u.pci;
     virDomainHostdevSubsysSCSIPtr scsisrc = &hostdev->source.subsys.u.scsi;
@@ -369,11 +374,6 @@  virDomainAuditHostdev(virDomainObjPtr vm, virDomainHostdevDefPtr hostdev,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     switch ((virDomainHostdevMode) hostdev->mode) {
     case VIR_DOMAIN_HOSTDEV_MODE_SUBSYS:
         switch ((virDomainHostdevSubsysType) hostdev->source.subsys.type) {
@@ -509,7 +509,7 @@  virDomainAuditRedirdev(virDomainObjPtr vm, virDomainRedirdevDefPtr redirdev,
     char *vmname;
     char *address = NULL;
     char *device = NULL;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
     if (!(vmname = virAuditEncode("vm", vm->def->name))) {
@@ -517,11 +517,6 @@  virDomainAuditRedirdev(virDomainObjPtr vm, virDomainRedirdevDefPtr redirdev,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     switch (redirdev->bus) {
     case VIR_DOMAIN_REDIRDEV_BUS_USB:
         if (VIR_STRDUP_QUIET(address, "USB redirdev") < 0) {
@@ -571,7 +566,7 @@  virDomainAuditTPM(virDomainObjPtr vm, virDomainTPMDefPtr tpm,
     char *vmname;
     char *path = NULL;
     char *device = NULL;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
     if (!(vmname = virAuditEncode("vm", vm->def->name))) {
@@ -579,11 +574,6 @@  virDomainAuditTPM(virDomainObjPtr vm, virDomainTPMDefPtr tpm,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     switch (tpm->type) {
     case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
         path = tpm->data.passthrough.source.data.file.path;
@@ -639,7 +629,7 @@  virDomainAuditCgroup(virDomainObjPtr vm, virCgroupPtr cgroup,
     char *vmname;
     char *controller = NULL;
     char *detail;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
     if (!(vmname = virAuditEncode("vm", vm->def->name))) {
@@ -647,11 +637,6 @@  virDomainAuditCgroup(virDomainObjPtr vm, virCgroupPtr cgroup,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     ignore_value(virCgroupPathOfController(cgroup,
                                            VIR_CGROUP_CONTROLLER_DEVICES,
                                            NULL, &controller));
@@ -757,7 +742,7 @@  virDomainAuditResource(virDomainObjPtr vm, const char *resource,
 {
     char uuidstr[VIR_UUID_STRING_BUFLEN];
     char *vmname;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
     if (!(vmname = virAuditEncode("vm", vm->def->name))) {
@@ -765,11 +750,6 @@  virDomainAuditResource(virDomainObjPtr vm, const char *resource,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
               "virt=%s resrc=%s reason=%s %s uuid=%s old-%s=%lld new-%s=%lld",
               virt, resource, reason, vmname, uuidstr,
@@ -809,7 +789,7 @@  virDomainAuditLifecycle(virDomainObjPtr vm, const char *op,
 {
     char uuidstr[VIR_UUID_STRING_BUFLEN];
     char *vmname;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
 
@@ -818,11 +798,6 @@  virDomainAuditLifecycle(virDomainObjPtr vm, const char *op,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     VIR_AUDIT(VIR_AUDIT_RECORD_MACHINE_CONTROL, success,
               "virt=%s op=%s reason=%s %s uuid=%s vm-pid=%lld",
               virt, op, reason, vmname, uuidstr, (long long)vm->pid);
@@ -909,7 +884,7 @@  virDomainAuditInit(virDomainObjPtr vm,
 {
     char uuidstr[VIR_UUID_STRING_BUFLEN];
     char *vmname;
-    const char *virt;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
 
@@ -918,11 +893,6 @@  virDomainAuditInit(virDomainObjPtr vm,
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     VIR_AUDIT(VIR_AUDIT_RECORD_MACHINE_CONTROL, true,
               "virt=%s op=init %s uuid=%s vm-pid=%lld init-pid=%lld pid-ns=%lld",
               virt, vmname, uuidstr, (long long)vm->pid, (long long)initpid,
@@ -942,8 +912,8 @@  virDomainAuditSecurityLabel(virDomainObjPtr vm, bool success)
 {
     char uuidstr[VIR_UUID_STRING_BUFLEN];
     char *vmname;
-    const char *virt;
     size_t i;
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);
     if (!(vmname = virAuditEncode("vm", vm->def->name))) {
@@ -951,11 +921,6 @@  virDomainAuditSecurityLabel(virDomainObjPtr vm, bool success)
         return;
     }
 
-    if (!(virt = virDomainVirtTypeToString(vm->def->virtType))) {
-        VIR_WARN("Unexpected virt type %d while encoding audit message", vm->def->virtType);
-        virt = "?";
-    }
-
     for (i = 0; i < vm->def->nseclabels; i++) {
         VIR_AUDIT(VIR_AUDIT_RECORD_MACHINE_ID, success,
                   "virt=%s %s uuid=%s vm-ctx=%s img-ctx=%s model=%s",
@@ -976,7 +941,7 @@  virDomainAuditShmem(virDomainObjPtr vm,
     char uuidstr[VIR_UUID_STRING_BUFLEN];
     char *vmname = virAuditEncode("vm", vm->def->name);
     const char *srcpath = virDomainChrSourceDefGetPath(&def->server.chr);
-    const char *virt = virDomainVirtTypeToString(vm->def->virtType);
+    const char *virt = virDomainAuditGetVirtType(vm->def);
     char *shmpath = NULL;
 
     virUUIDFormat(vm->def->uuid, uuidstr);
@@ -1018,7 +983,7 @@  virDomainAuditInput(virDomainObjPtr vm,
 {
     char uuidstr[VIR_UUID_STRING_BUFLEN];
     char *vmname;
-    const char *virt = virDomainVirtTypeToString(vm->def->virtType);
+    const char *virt = virDomainAuditGetVirtType(vm->def);
 
     virUUIDFormat(vm->def->uuid, uuidstr);