migration: shut src return path unconditionally

We were do the shutting off only for postcopy. Now we do this as long as
the source return path is there.

Moving the cleanup of from_src_file there too.
Signed-off-by: NPeter Xu <peterx@redhat.com>
Reviewed-by: NJuan Quintela <quintela@redhat.com>
Signed-off-by: NJuan Quintela <quintela@redhat.com>

migration/migration.c

@@ -134,10 +134,17 @@ void migration_incoming_state_destroy(void)
     struct MigrationIncomingState *mis = migration_incoming_get_current();
 
     if (mis->to_src_file) {
+        /* Tell source that we are done */
+        migrate_send_rp_shut(mis, qemu_file_get_error(mis->from_src_file) != 0);
         qemu_fclose(mis->to_src_file);
         mis->to_src_file = NULL;
     }
 
+    if (mis->from_src_file) {
+        qemu_fclose(mis->from_src_file);
+        mis->from_src_file = NULL;
+    }
+
     qemu_event_destroy(&mis->main_thread_load_event);
 }
 
@@ -435,7 +442,6 @@ static void process_incoming_migration_co(void *opaque)
         exit(EXIT_FAILURE);
     }
 
-    qemu_fclose(f);
     free_xbzrle_decoded_buf();
 
     mis->bh = qemu_bh_new(process_incoming_migration_bh, mis);

migration/postcopy-ram.c

@@ -333,7 +333,6 @@ int postcopy_ram_incoming_cleanup(MigrationIncomingState *mis)
     }
 
     postcopy_state_set(POSTCOPY_INCOMING_END);
-    migrate_send_rp_shut(mis, qemu_file_get_error(mis->from_src_file) != 0);
 
     if (mis->postcopy_tmp_page) {
         munmap(mis->postcopy_tmp_page, mis->largest_page_size);