Merge remote-tracking branch 'kwolf/for-anthony' into staging

# By Kevin Wolf (6) and Stefan Hajnoczi (2)
# Via Kevin Wolf
* kwolf/for-anthony:
  ahci: Fix FLUSH command
  migration: Fail migration on bdrv_flush_all() error
  cpus: Add return value for vm_stop()
  block: Add return value for bdrv_flush_all()
  qemu-iotests: Update 051 reference output
  block: Don't parse protocol from file.filename
  block: add drive_backup HMP command
  blockdev: add sync mode to drive-backup QMP command

Message-id: 1373887000-4488-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 14 insertions, 3 deletions

diff --git a/migration.c b/migration.c
index 635a7e7a08..0681d8e5f1 100644
--- a/migration.c
+++ b/migration.c
@@ -527,15 +527,26 @@ static void *migration_thread(void *opaque)
             if (pending_size && pending_size >= max_size) {
                 qemu_savevm_state_iterate(s->file);
             } else {
+                int ret;
+
                 DPRINTF("done iterating\n");
                 qemu_mutex_lock_iothread();
                 start_time = qemu_get_clock_ms(rt_clock);
                 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
                 old_vm_running = runstate_is_running();
-                vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
-                qemu_file_set_rate_limit(s->file, INT_MAX);
-                qemu_savevm_state_complete(s->file);
+
+                ret = vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
+                if (ret >= 0) {
+                    qemu_file_set_rate_limit(s->file, INT_MAX);
+                    qemu_savevm_state_complete(s->file);
+                }
                 qemu_mutex_unlock_iothread();
+
+                if (ret < 0) {
+                    migrate_finish_set_state(s, MIG_STATE_ERROR);
+                    break;
+                }
+
                 if (!qemu_file_get_error(s->file)) {
                     migrate_finish_set_state(s, MIG_STATE_COMPLETED);
                     break;