[PATCH 3/5] chardev/char.c: Move object_property_try_add_child out of chardev_new

[Lukas Straub <lukasstraub2@web.de>]

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Move object_property_try_add_child out of chardev_new into it's
callers. This is a preparation for the next patches to fix yank
with the chardev-change case.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
---
 chardev/char.c | 42 ++++++++++++++++++++++++------------------
 1 file changed, 24 insertions(+), 18 deletions(-)

diff --git a/chardev/char.c b/chardev/char.c
index 97cafd6849..1584865027 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -972,7 +972,9 @@ static Chardev *chardev_new(const char *id, const char *typename,

     qemu_char_open(chr, backend, &be_opened, &local_err);
     if (local_err) {
-        goto end;
+        error_propagate(errp, local_err);
+        object_unref(obj);
+        return NULL;
     }

     if (!chr->filename) {
@@ -982,22 +984,6 @@ static Chardev *chardev_new(const char *id, const char *typename,
         qemu_chr_be_event(chr, CHR_EVENT_OPENED);
     }

-    if (id) {
-        object_property_try_add_child(get_chardevs_root(), id, obj,
-                                      &local_err);
-        if (local_err) {
-            goto end;
-        }
-        object_unref(obj);
-    }
-
-end:
-    if (local_err) {
-        error_propagate(errp, local_err);
-        object_unref(obj);
-        return NULL;
-    }
-
     return chr;
 }

@@ -1006,6 +992,7 @@ Chardev *qemu_chardev_new(const char *id, const char *typename,
                           GMainContext *gcontext,
                           Error **errp)
 {
+    Chardev *chr;
     g_autofree char *genid = NULL;

     if (!id) {
@@ -1013,7 +1000,19 @@ Chardev *qemu_chardev_new(const char *id, const char *typename,
         id = genid;
     }

-    return chardev_new(id, typename, backend, gcontext, errp);
+    chr = chardev_new(id, typename, backend, gcontext, errp);
+    if (!chr) {
+        return NULL;
+    }
+
+    if (!object_property_try_add_child(get_chardevs_root(), id, OBJECT(chr),
+                                       errp)) {
+        object_unref(OBJECT(chr));
+        return NULL;
+    }
+    object_unref(OBJECT(chr));
+
+    return chr;
 }

 ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
@@ -1034,6 +1033,13 @@ ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
         return NULL;
     }

+    if (!object_property_try_add_child(get_chardevs_root(), id, OBJECT(chr),
+                                       errp)) {
+        object_unref(OBJECT(chr));
+        return NULL;
+    }
+    object_unref(OBJECT(chr));
+
     ret = g_new0(ChardevReturn, 1);
     if (CHARDEV_IS_PTY(chr)) {
         ret->pty = g_strdup(chr->filename + 4);
--
2.30.2


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