[PATCH v1 6/9] chardev: add appropriate getting address

[Maxim Davydov]

Attempt to get address after initialization shouldn't fail on assert in
the qapi automatically generated code. As a possible solution, it can
return null type.

Signed-off-by: Maxim Davydov <maxim.davy...@openvz.org>
---
 chardev/char-socket.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index fab2d791d4..f851e3346b 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -33,6 +33,7 @@
 #include "qapi/clone-visitor.h"
 #include "qapi/qapi-visit-sockets.h"
 #include "qemu/yank.h"
+#include "qapi/qmp/qnull.h"
 
 #include "chardev/char-io.h"
 #include "chardev/char-socket.h"
@@ -1509,6 +1510,14 @@ char_socket_get_addr(Object *obj, Visitor *v, const char 
*name,
 {
     SocketChardev *s = SOCKET_CHARDEV(obj);
 
+    QNull *null = NULL;
+
+    /* Return NULL type if getting addr was called after init */
+    if (!s->addr) {
+        visit_type_null(v, NULL, &null, errp);
+        return;
+    }
+
     visit_type_SocketAddress(v, name, &s->addr, errp);
 }
 
-- 
2.31.1