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-rw-r--r--migration/savevm.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index a9d0a88e62..032044b1d5 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -927,11 +927,9 @@ static int vmstate_load(QEMUFile *f, SaveStateEntry *se)
 static void vmstate_save_old_style(QEMUFile *f, SaveStateEntry *se,
                                    JSONWriter *vmdesc)
 {
-    int64_t old_offset, size;
-
-    old_offset = qemu_file_total_transferred_fast(f);
+    uint64_t old_offset = qemu_file_total_transferred_fast(f);
     se->ops->save_state(f, se->opaque);
-    size = qemu_file_total_transferred_fast(f) - old_offset;
+    uint64_t size = qemu_file_total_transferred_fast(f) - old_offset;
 
     if (vmdesc) {
         json_writer_int64(vmdesc, "size", size);