Always pass the id to chardev_new, since it is needed to register
the yank instance for the chardev. Also, after checking that
nothing calls chardev_new with id=NULL, assert() that id!=NULL.
This fixes a crash when using chardev-change to change a chardev
to chardev-socket, which attempts to register a yank instance.
This in turn tries to dereference the NULL-pointer.
Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Li Zhang <li.zhang@cloud.ionos.com>
Message-Id: <
3e669b6c160aa7278e37c4d95e0445574f96c7b7.
1617127849.git.lukasstraub2@web.de>
bool be_opened = true;
assert(g_str_has_prefix(typename, "chardev-"));
+ assert(id);
obj = object_new(typename);
chr = CHARDEV(obj);
return NULL;
}
- chr_new = chardev_new(NULL, object_class_get_name(OBJECT_CLASS(cc)),
+ chr_new = chardev_new(id, object_class_get_name(OBJECT_CLASS(cc)),
backend, chr->gcontext, errp);
if (!chr_new) {
return NULL;
}
- chr_new->label = g_strdup(id);
if (chr->be_open && !chr_new->be_open) {
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);