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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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16
blockdev.c
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@ -576,7 +576,7 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
blk_rs->read_only = read_only;
blk_rs->detect_zeroes = detect_zeroes;
QDECREF(bs_opts);
qobject_unref(bs_opts);
} else {
if (file && !*file) {
file = NULL;
@ -632,16 +632,16 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
err_no_bs_opts:
qemu_opts_del(opts);
QDECREF(interval_dict);
QDECREF(interval_list);
qobject_unref(interval_dict);
qobject_unref(interval_list);
return blk;
early_err:
qemu_opts_del(opts);
QDECREF(interval_dict);
QDECREF(interval_list);
qobject_unref(interval_dict);
qobject_unref(interval_list);
err_no_opts:
QDECREF(bs_opts);
qobject_unref(bs_opts);
return NULL;
}
@ -1130,7 +1130,7 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
fail:
qemu_opts_del(legacy_opts);
QDECREF(bs_opts);
qobject_unref(bs_opts);
return dinfo;
}
@ -4022,7 +4022,7 @@ void hmp_drive_add_node(Monitor *mon, const char *optstr)
qdict = qemu_opts_to_qdict(opts, NULL);
if (!qdict_get_try_str(qdict, "node-name")) {
QDECREF(qdict);
qobject_unref(qdict);
error_report("'node-name' needs to be specified");
goto out;
}