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-rw-r--r--chardev/char-socket.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index 1d455ecca4..daa89fe5d1 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -1126,7 +1126,13 @@ static void char_socket_finalize(Object *obj)
}
g_free(s->tls_authz);
if (s->registered_yank) {
- yank_unregister_instance(CHARDEV_YANK_INSTANCE(chr->label));
+ /*
+ * In the chardev-change special-case, we shouldn't unregister the yank
+ * instance, as it still may be needed.
+ */
+ if (!chr->handover_yank_instance) {
+ yank_unregister_instance(CHARDEV_YANK_INSTANCE(chr->label));
+ }
}
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
@@ -1424,8 +1430,14 @@ static void qmp_chardev_open_socket(Chardev *chr,
qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_FD_PASS);
}
- if (!yank_register_instance(CHARDEV_YANK_INSTANCE(chr->label), errp)) {
- return;
+ /*
+ * In the chardev-change special-case, we shouldn't register a new yank
+ * instance, as there already may be one.
+ */
+ if (!chr->handover_yank_instance) {
+ if (!yank_register_instance(CHARDEV_YANK_INSTANCE(chr->label), errp)) {
+ return;
+ }
}
s->registered_yank = true;
@@ -1567,6 +1579,8 @@ static void char_socket_class_init(ObjectClass *oc, void *data)
{
ChardevClass *cc = CHARDEV_CLASS(oc);
+ cc->supports_yank = true;
+
cc->parse = qemu_chr_parse_socket;
cc->open = qmp_chardev_open_socket;
cc->chr_wait_connected = tcp_chr_wait_connected;