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qobject: Modify qobject_ref() to return obj

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For convenience and clarity, make it possible to call qobject_ref() at
the time when the reference is associated with a variable, or
argument, by making qobject_ref() return the same pointer as given.
Use that to simplify the callers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-5-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Useless change to qobject_ref_impl() dropped, commit message improved
slightly]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-04-19 17:01:44 +02:00 • committed by Markus Armbruster
parent cb3e7f08ae
commit f5a74a5a50
12 changed files with 47 additions and 64 deletions
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3
block/nvme.c
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@ -1073,7 +1073,6 @@ static int nvme_reopen_prepare(BDRVReopenState *reopen_state,
static void nvme_refresh_filename(BlockDriverState *bs, QDict *opts)
{
qobject_ref(opts);
qdict_del(opts, "filename");
if (!qdict_size(opts)) {
@ -1082,7 +1081,7 @@ static void nvme_refresh_filename(BlockDriverState *bs, QDict *opts)
}
qdict_put_str(opts, "driver", bs->drv->format_name);
bs->full_open_options = opts;
bs->full_open_options = qobject_ref(opts);
}
static void nvme_refresh_limits(BlockDriverState *bs, Error **errp)