@@ -2050,6 +2050,14 @@ static int open_return_path_on_source(MigrationState *ms,
/* Returns 0 if the RP was ok, otherwise there was an error on the RP */
static int await_return_path_close_on_source(MigrationState *ms)
{
+ int ret;
+
+ if (!ms->rp_state.rp_thread_created) {
+ return 0;
+ }
+
+ trace_migration_return_path_end_before();
+
/*
* If this is a normal exit then the destination will send a SHUT
* and the rp_thread will exit, however if there's an error we
@@ -2067,7 +2075,10 @@ static int await_return_path_close_on_source(MigrationState *ms)
qemu_thread_join(&ms->rp_state.rp_thread);
ms->rp_state.rp_thread_created = false;
trace_await_return_path_close_on_source_close();
- return ms->rp_state.error;
+
+ ret = ms->rp_state.error;
+ trace_migration_return_path_end_after(ret);
+ return ret;
}
static inline void
@@ -2363,20 +2374,8 @@ static void migration_completion(MigrationState *s)
goto fail;
}
- /*
- * If rp was opened we must clean up the thread before
- * cleaning everything else up (since if there are no failures
- * it will wait for the destination to send it's status in
- * a SHUT command).
- */
- if (s->rp_state.rp_thread_created) {
- int rp_error;
- trace_migration_return_path_end_before();
- rp_error = await_return_path_close_on_source(s);
- trace_migration_return_path_end_after(rp_error);
- if (rp_error) {
- goto fail;
- }
+ if (await_return_path_close_on_source(s)) {
+ goto fail;
}
if (qemu_file_get_error(s->to_dst_file)) {