qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Markus Armbruster <armbru@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH v2 15/26] qom: Make object_property_set_qobject()'s input visitor strict
Date: Sun, 26 Feb 2017 22:43:33 +0100	[thread overview]
Message-ID: <1488145424-14974-16-git-send-email-armbru@redhat.com> (raw)
In-Reply-To: <1488145424-14974-1-git-send-email-armbru@redhat.com>

Commit 240f64b made all qobject input visitors created outside tests
strict, except for the one in object_property_set_qobject().  That one
was left behind only because Eric couldn't spare the time to figure
out whether making it strict would break anything, with a TODO
comment.  Time to resolve it.

Strict makes a difference only for otherwise successful visits of QAPI
structs or unions.  Let's examine what the callers of
object_property_set_qobject() visit:

* object_property_set_str(), object_property_set_bool(),
  object_property_set_int() visit a QString, QBool, QInt,
  respectively.  Strictness can't matter.

* qmp_qom_set visits its @value argument.  Comes straight from QMP and
  can be anything ('any' in the QAPI schema).  Strictness matters when
  the property's set() method visits a struct or union QAPI type.

  No such methods exist, thus switching to strict can't break
  anything.

  If we acquire such methods in the future, we'll *want* the visitor
  to be strict, so that unexpected members get rejected as they should
  be.

Switch to strict.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 qom/qom-qobject.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qom/qom-qobject.c b/qom/qom-qobject.c
index 447e4a0..bbdedda 100644
--- a/qom/qom-qobject.c
+++ b/qom/qom-qobject.c
@@ -22,8 +22,8 @@ void object_property_set_qobject(Object *obj, QObject *value,
                                  const char *name, Error **errp)
 {
     Visitor *v;
-    /* TODO: Should we reject, rather than ignore, excess input? */
-    v = qobject_input_visitor_new(value, false);
+
+    v = qobject_input_visitor_new(value, true);
     object_property_set(obj, v, name, errp);
     visit_free(v);
 }
-- 
2.7.4

  parent reply	other threads:[~2017-02-26 21:43 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-26 21:43 [Qemu-devel] [PATCH v2 00/26] qapi: QMP dispatch and input visitor work Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 01/26] qga: Fix crash on non-dictionary QMP argument Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 02/26] libqtest: Work around a "QMP wants a newline" bug Markus Armbruster
2017-02-27 16:36   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 03/26] qmp-test: New, covering basic QMP protocol Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 04/26] qmp: Dumb down how we run QMP command registration Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 05/26] qmp: Clean up how we enforce capability negotiation Markus Armbruster
2017-02-27 16:39   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 06/26] qmp: Drop duplicated QMP command object checks Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 07/26] qmp: Eliminate silly QERR_QMP_* macros Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 08/26] qmp: Improve QMP dispatch error messages Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 09/26] qapi: Improve a QObject input visitor error message Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 10/26] qapi: Clean up after commit 3d344c2 Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 11/26] qapi: Make QObject input visitor set *list reliably Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 12/26] qapi: Improve qobject input visitor error reporting Markus Armbruster
2017-02-27 16:45   ` Eric Blake
2017-02-28  8:42     ` Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 13/26] qapi: Drop string input visitor method optional() Markus Armbruster
2017-02-27 16:46   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 14/26] qapi: Make string input and opts visitor require non-null input Markus Armbruster
2017-02-27 16:58   ` Eric Blake
2017-02-26 21:43 ` Markus Armbruster [this message]
2017-02-27 19:25   ` [Qemu-devel] [PATCH v2 15/26] qom: Make object_property_set_qobject()'s input visitor strict Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 16/26] test-qobject-input-visitor: Use strict visitor Markus Armbruster
2017-02-27 22:49   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 17/26] qapi: Drop unused non-strict qobject input visitor Markus Armbruster
2017-02-28 14:56   ` Eric Blake
2017-02-28 17:29     ` Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 18/26] tests-qobject-input-strict: Merge into test-qobject-input-visitor Markus Armbruster
2017-02-28 15:39   ` Eric Blake
2017-02-28 16:57     ` Markus Armbruster
2017-02-28 17:10       ` Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 19/26] test-string-input-visitor: Tear down existing test automatically Markus Armbruster
2017-02-28 15:44   ` Eric Blake
2017-02-28 16:08     ` Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 20/26] test-string-input-visitor: Improve list coverage Markus Armbruster
2017-02-28 15:47   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 21/26] tests: Cover partial input visit of list Markus Armbruster
2017-02-28 15:55   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 22/26] test-qobject-input-visitor: Cover missing nested struct member Markus Armbruster
2017-02-28 16:00   ` Eric Blake
2017-02-28 16:52     ` Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 23/26] qapi: Make input visitors detect unvisited list tails Markus Armbruster
2017-02-28 16:09   ` Eric Blake
2017-02-28 16:55     ` Markus Armbruster
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 24/26] tests: Cover input visit beyond end of list Markus Armbruster
2017-02-28 16:19   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 25/26] qapi: Fix object " Markus Armbruster
2017-02-28 16:20   ` Eric Blake
2017-02-26 21:43 ` [Qemu-devel] [PATCH v2 26/26] qapi: Improve qobject visitor documentation Markus Armbruster
2017-02-28 16:22   ` Eric Blake
2017-02-26 22:23 ` [Qemu-devel] [PATCH v2 00/26] qapi: QMP dispatch and input visitor work no-reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1488145424-14974-16-git-send-email-armbru@redhat.com \
    --to=armbru@redhat.com \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).