summary refs log tree commit diff stats
path: root/migration/block.c
diff options
context:
space:
mode:
Diffstat (limited to 'migration/block.c')
-rw-r--r--migration/block.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/migration/block.c b/migration/block.c
index 6d532ac7a2..a37678ce95 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -747,8 +747,7 @@ static int block_save_setup(QEMUFile *f, void *opaque)
 static int block_save_iterate(QEMUFile *f, void *opaque)
 {
     int ret;
-    int64_t last_bytes = qemu_file_total_transferred(f);
-    int64_t delta_bytes;
+    uint64_t last_bytes = qemu_file_total_transferred(f);
 
     trace_migration_block_save("iterate", block_mig_state.submitted,
                                block_mig_state.transferred);
@@ -800,14 +799,8 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
     }
 
     qemu_put_be64(f, BLK_MIG_FLAG_EOS);
-    delta_bytes = qemu_file_total_transferred(f) - last_bytes;
-    if (delta_bytes > 0) {
-        return 1;
-    } else if (delta_bytes < 0) {
-        return -1;
-    } else {
-        return 0;
-    }
+    uint64_t delta_bytes = qemu_file_total_transferred(f) - last_bytes;
+    return (delta_bytes > 0);
 }
 
 /* Called with iothread lock taken.  */