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qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF

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Now that we can safely call QOBJECT() on QObject * as well as its
subtypes, we can have macros qobject_ref() / qobject_unref() that work
everywhere instead of having to use QINCREF() / QDECREF() for QObject
and qobject_incref() / qobject_decref() for its subtypes.

The replacement is mechanical, except I broke a long line, and added a
cast in monitor_qmp_cleanup_req_queue_locked().  Unlike
qobject_decref(), qobject_unref() doesn't accept void *.

Note that the new macros evaluate their argument exactly once, thus no
need to shout them.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-4-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Rebased, semantic conflict resolved, commit message improved]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-04-19 17:01:43 +02:00 • committed by Markus Armbruster
parent 3d3eacaecc
commit cb3e7f08ae
94 changed files with 609 additions and 613 deletions
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4
hw/usb/xen-usb.c
View file

@ -763,7 +763,7 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port,
if (!usbif->ports[port - 1].dev) {
goto err;
}
QDECREF(qdict);
qobject_unref(qdict);
speed = usbif->ports[port - 1].dev->speed;
switch (speed) {
case USB_SPEED_LOW:
@ -796,7 +796,7 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port,
return;
err:
QDECREF(qdict);
qobject_unref(qdict);
xen_pv_printf(&usbif->xendev, 0, "device %s could not be opened\n", busid);
}