tests/migration: Tighten error checking

migrate_get_socket_address() neglects to check
visit_type_SocketAddressList() failure.  This smells like a leak, but
it actually will crash dereferencing @addrs.  Pass &error_abort to
remove the code smell.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-5-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 2568c95..dc3490c 100644 (file)
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -13,6 +13,7 @@
 #include "qemu/osdep.h"
 
 #include "libqtest.h"
+#include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
@@ -301,7 +302,6 @@ static char *migrate_get_socket_address(QTestState *who, const char *parameter)
 {
     QDict *rsp;
     char *result;
-    Error *local_err = NULL;
     SocketAddressList *addrs;
     Visitor *iv = NULL;
     QObject *object;
@@ -310,7 +310,7 @@ static char *migrate_get_socket_address(QTestState *who, const char *parameter)
     object = qdict_get(rsp, parameter);
 
     iv = qobject_input_visitor_new(object);
-    visit_type_SocketAddressList(iv, NULL, &addrs, &local_err);
+    visit_type_SocketAddressList(iv, NULL, &addrs, &error_abort);
     visit_free(iv);
 
     /* we are only using a single address */