diff --git a/migration/socket.c b/migration/socket.c
index 239527fb1f..49bacf78fd 100644
--- a/migration/socket.c
+++ b/migration/socket.c
@@ -199,6 +199,7 @@ static void socket_start_incoming_migration(SocketAddress *saddr,
             return;
         }
         migrate_add_address(address);
+        qapi_free_SocketAddress(address);
     }
 }
 
diff --git a/tests/migration-test.c b/tests/migration-test.c
index 48dc20a2ae..bd3f5c3125 100644
--- a/tests/migration-test.c
+++ b/tests/migration-test.c
@@ -382,9 +382,10 @@ static char *migrate_get_socket_address(QTestState *who, const char *parameter)
 
     iv = qobject_input_visitor_new(object);
     visit_type_SocketAddressList(iv, NULL, &addrs, &local_err);
+    visit_free(iv);
 
     /* we are only using a single address */
-    result = g_strdup_printf("%s", SocketAddress_to_str(addrs->value));
+    result = SocketAddress_to_str(addrs->value);
 
     qapi_free_SocketAddressList(addrs);
     qobject_unref(rsp);
diff --git a/tests/test-bdrv-graph-mod.c b/tests/test-bdrv-graph-mod.c
index 458dfa6661..283dc84869 100644
--- a/tests/test-bdrv-graph-mod.c
+++ b/tests/test-bdrv-graph-mod.c
@@ -114,6 +114,7 @@ static void test_update_perm_tree(void)
     bdrv_append(filter, bs, &local_err);
 
     g_assert_nonnull(local_err);
+    error_free(local_err);
 
     bdrv_unref(bs);
     blk_unref(root);
diff --git a/tests/test-char.c b/tests/test-char.c
index de328380c1..95ccfd3cdb 100644
--- a/tests/test-char.c
+++ b/tests/test-char.c
@@ -745,7 +745,7 @@ static void char_socket_server_test(gconstpointer opaque)
     Visitor *v;
     QemuThread thread;
     int ret;
-    bool reconnected;
+    bool reconnected = false;
     char *optstr;
     QemuOpts *opts;