pci: virPCIDeviceListAddCopy API

Make a copy of the device and add the copy to the
list. (virPCIDeviceListAdd() adds the original object to the list
instead).

src/libvirt_private.syms

@@ -1709,6 +1709,7 @@ virPCIDeviceGetUnbindFromStub;
 virPCIDeviceGetUsedBy;
 virPCIDeviceIsAssignable;
 virPCIDeviceListAdd;
+virPCIDeviceListAddCopy;
 virPCIDeviceListCount;
 virPCIDeviceListDel;
 virPCIDeviceListFind;

src/util/virpci.c

@@ -1705,6 +1705,23 @@ virPCIDeviceListAdd(virPCIDeviceListPtr list,
     return 0;
 }
 
+
+/* virPCIDeviceListAddCopy - add a *copy* of the device to this list */
+int
+virPCIDeviceListAddCopy(virPCIDeviceListPtr list, virPCIDevicePtr dev)
+{
+    virPCIDevicePtr copy = virPCIDeviceCopy(dev);
+
+    if (!copy)
+        return -1;
+    if (virPCIDeviceListAdd(list, copy) < 0) {
+        virPCIDeviceFree(copy);
+        return -1;
+    }
+    return 0;
+}
+
+
 virPCIDevicePtr
 virPCIDeviceListGet(virPCIDeviceListPtr list,
                     int idx)

src/util/virpci.h

@@ -83,6 +83,7 @@ void virPCIDeviceReattachInit(virPCIDevice *dev);
 virPCIDeviceListPtr virPCIDeviceListNew(void);
 int  virPCIDeviceListAdd(virPCIDeviceListPtr list,
                          virPCIDevicePtr dev);
+int virPCIDeviceListAddCopy(virPCIDeviceListPtr list, virPCIDevicePtr dev);
 virPCIDevicePtr virPCIDeviceListGet(virPCIDeviceListPtr list,
                                     int idx);
 int virPCIDeviceListCount(virPCIDeviceListPtr list);