conf: Move disk info validator to the domain conf validator

Since it will not be called from outside of conf we can unexport it too
if we move it to the appropriate place.

Test suite change is necessary since the error will be reported sooner
now.

src/conf/domain_conf.c

@@ -4573,8 +4573,29 @@ virDomainDefValidateDeviceIterator(virDomainDefPtr def,
 
 
 static int
-virDomainDefValidateInternal(const virDomainDef *def ATTRIBUTE_UNUSED)
+virDomainDefCheckDuplicateDiskInfo(const virDomainDef *def)
 {
+    size_t i;
+    size_t j;
+
+    for (i = 0; i < def->ndisks; i++) {
+        for (j = i + 1; j < def->ndisks; j++) {
+            if (virDomainDiskDefCheckDuplicateInfo(def->disks[i],
+                                                   def->disks[j]) < 0)
+                return -1;
+        }
+    }
+
+    return 0;
+}
+
+
+static int
+virDomainDefValidateInternal(const virDomainDef *def)
+{
+    if (virDomainDefCheckDuplicateDiskInfo(def) < 0)
+        return -1;
+
     return 0;
 }
 
@@ -24583,8 +24604,8 @@ virDomainDefNeedsPlacementAdvice(virDomainDefPtr def)
 
 
 int
-virDomainDiskDefCheckDuplicateInfo(virDomainDiskDefPtr a,
-                                   virDomainDiskDefPtr b)
+virDomainDiskDefCheckDuplicateInfo(const virDomainDiskDef *a,
+                                   const virDomainDiskDef *b)
 {
     if (STREQ(a->dst, b->dst)) {
         virReportError(VIR_ERR_XML_ERROR,
@@ -24613,24 +24634,6 @@ virDomainDiskDefCheckDuplicateInfo(virDomainDiskDefPtr a,
 }
 
 
-int
-virDomainDefCheckDuplicateDiskInfo(virDomainDefPtr def)
-{
-    size_t i;
-    size_t j;
-
-    for (i = 0; i < def->ndisks; i++) {
-        for (j = i + 1; j < def->ndisks; j++) {
-            if (virDomainDiskDefCheckDuplicateInfo(def->disks[i],
-                                                   def->disks[j]) < 0)
-                return -1;
-        }
-    }
-
-    return 0;
-}
-
-
 /**
  * virDomainDefHasMemballoon:
  * @def: domain definition

src/conf/domain_conf.h

@@ -3067,11 +3067,9 @@ virDomainParseMemory(const char *xpath,
 bool virDomainDefNeedsPlacementAdvice(virDomainDefPtr def)
     ATTRIBUTE_NONNULL(1);
 
-int virDomainDiskDefCheckDuplicateInfo(virDomainDiskDefPtr a,
-                                       virDomainDiskDefPtr b)
+int virDomainDiskDefCheckDuplicateInfo(const virDomainDiskDef *a,
+                                       const virDomainDiskDef *b)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
-int virDomainDefCheckDuplicateDiskInfo(virDomainDefPtr def)
-    ATTRIBUTE_NONNULL(1);
 
 int virDomainDefGetVcpuPinInfoHelper(virDomainDefPtr def,
                                      int maplen,

src/libvirt_private.syms

@@ -207,7 +207,6 @@ virDomainDefAddController;
 virDomainDefAddImplicitDevices;
 virDomainDefAddUSBController;
 virDomainDefCheckABIStability;
-virDomainDefCheckDuplicateDiskInfo;
 virDomainDefClearCCWAddresses;
 virDomainDefClearDeviceAliases;
 virDomainDefClearPCIAddresses;

src/qemu/qemu_process.c

@@ -4303,14 +4303,9 @@ qemuProcessStartValidateXML(virQEMUDriverPtr driver,
     /* checks below should not be executed when starting a qemu process for a
      * VM that was running before (migration, snapshots, save). It's more
      * important to start such VM than keep the configuration clean */
-    if ((flags & VIR_QEMU_PROCESS_START_NEW)) {
-        if (virDomainDefValidate(vm->def, caps, 0, driver->xmlopt) < 0)
-            return -1;
-
-        if (virDomainDefCheckDuplicateDiskInfo(vm->def) < 0)
-            return -1;
-    }
-
+    if ((flags & VIR_QEMU_PROCESS_START_NEW) &&
+        virDomainDefValidate(vm->def, caps, 0, driver->xmlopt) < 0)
+        return -1;
 
     if (vm->def->mem.min_guarantee) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",

tests/qemuxml2argvtest.c

@@ -876,9 +876,9 @@ mymain(void)
     DO_TEST("disk-drive-discard",
             QEMU_CAPS_DRIVE_DISCARD);
     DO_TEST("disk-snapshot", NONE);
-    DO_TEST_FAILURE("disk-same-targets",
-                    QEMU_CAPS_SCSI_LSI,
-                    QEMU_CAPS_DEVICE_USB_STORAGE, QEMU_CAPS_NODEFCONFIG);
+    DO_TEST_PARSE_ERROR("disk-same-targets",
+                        QEMU_CAPS_SCSI_LSI,
+                        QEMU_CAPS_DEVICE_USB_STORAGE, QEMU_CAPS_NODEFCONFIG);
     DO_TEST("event_idx",
             QEMU_CAPS_VIRTIO_BLK_EVENT_IDX,
             QEMU_CAPS_VIRTIO_NET_EVENT_IDX,