1 files changed, 0 insertions, 5 deletions
diff --git a/migration/block.c b/migration/block.c
index d115e1cfa5..b60698d6e2 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -731,18 +731,13 @@ static int block_save_setup(QEMUFile *f, void *opaque)
     trace_migration_block_save("setup", block_mig_state.submitted,
                                block_mig_state.transferred);
 
-    qemu_mutex_lock_iothread();
     ret = init_blk_migration(f);
     if (ret < 0) {
-        qemu_mutex_unlock_iothread();
         return ret;
     }
 
     /* start track dirty blocks */
     ret = set_dirty_tracking();
-
-    qemu_mutex_unlock_iothread();
-
     if (ret) {
         return ret;
     }