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-rw-r--r--tests/qtest/migration-helpers.c19
-rw-r--r--tests/qtest/migration-helpers.h3
-rw-r--r--tests/qtest/migration-test.c4
3 files changed, 15 insertions, 11 deletions
diff --git a/tests/qtest/migration-helpers.c b/tests/qtest/migration-helpers.c
index e26fdcb132..7ceadecf84 100644
--- a/tests/qtest/migration-helpers.c
+++ b/tests/qtest/migration-helpers.c
@@ -23,15 +23,17 @@
  */
 #define MIGRATION_STATUS_WAIT_TIMEOUT 120
 
-bool got_stop;
-
-static void check_stop_event(QTestState *who)
+bool migrate_watch_for_stop(QTestState *who, const char *name,
+                            QDict *event, void *opaque)
 {
-    QDict *event = qtest_qmp_event_ref(who, "STOP");
-    if (event) {
-        got_stop = true;
-        qobject_unref(event);
+    bool *seen = opaque;
+
+    if (g_str_equal(name, "STOP")) {
+        *seen = true;
+        return true;
     }
+
+    return false;
 }
 
 #ifndef _WIN32
@@ -48,7 +50,6 @@ QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...)
     va_end(ap);
 
     resp = qtest_qmp_receive(who);
-    check_stop_event(who);
 
     g_assert(!qdict_haskey(resp, "error"));
     g_assert(qdict_haskey(resp, "return"));
@@ -73,8 +74,6 @@ QDict *wait_command(QTestState *who, const char *command, ...)
     resp = qtest_vqmp(who, command, ap);
     va_end(ap);
 
-    check_stop_event(who);
-
     g_assert(!qdict_haskey(resp, "error"));
     g_assert(qdict_haskey(resp, "return"));
 
diff --git a/tests/qtest/migration-helpers.h b/tests/qtest/migration-helpers.h
index 2e51a6e195..fa69d1780a 100644
--- a/tests/qtest/migration-helpers.h
+++ b/tests/qtest/migration-helpers.h
@@ -15,7 +15,8 @@
 
 #include "libqtest.h"
 
-extern bool got_stop;
+bool migrate_watch_for_stop(QTestState *who, const char *name,
+                            QDict *event, void *opaque);
 
 #ifndef _WIN32
 G_GNUC_PRINTF(3, 4)
diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 822516286d..0af72c37c2 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -43,6 +43,7 @@
 unsigned start_address;
 unsigned end_address;
 static bool uffd_feature_thread_id;
+static bool got_stop;
 
 /*
  * Dirtylimit stop working if dirty page rate error
@@ -703,6 +704,9 @@ static int test_migrate_start(QTestState **from, QTestState **to,
                                  ignore_stderr);
     if (!args->only_target) {
         *from = qtest_init(cmd_source);
+        qtest_qmp_set_event_callback(*from,
+                                     migrate_watch_for_stop,
+                                     &got_stop);
     }
 
     cmd_target = g_strdup_printf("-accel kvm%s -accel tcg%s%s "