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qmp: Drop duplicated QMP command object checks

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qmp_check_input_obj() duplicates qmp_dispatch_check_obj(), except the
latter screws up an error message.  handle_qmp_command() runs first
the former, then the latter via qmp_dispatch(), masking the screwup.

qemu-ga also masks the screwup, because it also duplicates checks,
just differently.

qmp_check_input_obj() exists because handle_qmp_command() needs to
examine the command before dispatching it.  The previous commit got
rid of this need, except for a tracepoint, and a bit of "id" code that
relies on qdict not being null.

Fix up the error message in qmp_dispatch_check_obj(), drop
qmp_check_input_obj() and the tracepoint.  Protect the "id" code with
a conditional.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1488544368-30622-9-git-send-email-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-03-03 13:32:28 +01:00
parent 635db18f68
commit 104fc30279
3 changed files with 7 additions and 71 deletions
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3
qapi/qmp-dispatch.c
View file

@ -30,8 +30,7 @@ static QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
dict = qobject_to_qdict(request);
if (!dict) {
error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT,
"request is not a dictionary");
error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object");
return NULL;
}