s390x/event-facility: code restructure

[qemu.git] / qtest.c

diff --git a/qtest.c b/qtest.c
index dcf130122961dcb4c3e82e7138112e663e503f3a..ae941d65511ea8feab1a7443ce0d01383f99dfab 100644 (file)
--- a/qtest.c
+++ b/qtest.c
@@ -507,12 +507,18 @@ int qtest_init_accel(void)
     return 0;
 }
 
-void qtest_init(const char *qtest_chrdev, const char *qtest_log)
+void qtest_init(const char *qtest_chrdev, const char *qtest_log, Error **errp)
 {
     CharDriverState *chr;
 
     chr = qemu_chr_new("qtest", qtest_chrdev, NULL);
 
+    if (chr == NULL) {
+        error_setg(errp, "Failed to initialize device for qtest: \"%s\"",
+                   qtest_chrdev);
+        return;
+    }
+
     qemu_chr_add_handlers(chr, qtest_can_read, qtest_read, qtest_event, chr);
     qemu_chr_fe_set_echo(chr, true);
 
@@ -528,3 +534,8 @@ void qtest_init(const char *qtest_chrdev, const char *qtest_log)
 
     qtest_chr = chr;
 }
+
+bool qtest_driver(void)
+{
+    return qtest_chr;
+}