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Mon, 5 Oct 2020 15:59:15 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-113-145.ams2.redhat.com [10.36.113.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id A20B368433; Mon, 5 Oct 2020 15:59:14 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH v8 05/14] qmp: Assert that no other monitor is active Date: Mon, 5 Oct 2020 17:58:46 +0200 Message-Id: <20201005155855.256490-6-kwolf@redhat.com> In-Reply-To: <20201005155855.256490-1-kwolf@redhat.com> References: <20201005155855.256490-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/05 01:25:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.733, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, marcandre.lureau@gmail.com, armbru@redhat.com, stefanha@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" monitor_qmp_dispatch() is never supposed to be called in the context of another monitor, so assert that monitor_cur() is NULL instead of saving and restoring it. Signed-off-by: Kevin Wolf --- monitor/qmp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/monitor/qmp.c b/monitor/qmp.c index bb2d9d0cc7..8469970c69 100644 --- a/monitor/qmp.c +++ b/monitor/qmp.c @@ -140,8 +140,11 @@ static void monitor_qmp_dispatch(MonitorQMP *mon, QObject *req) QDict *error; old_mon = monitor_set_cur(&mon->common); + assert(old_mon == NULL); + rsp = qmp_dispatch(mon->commands, req, qmp_oob_enabled(mon)); - monitor_set_cur(old_mon); + + monitor_set_cur(NULL); if (mon->commands == &qmp_cap_negotiation_commands) { error = qdict_get_qdict(rsp, "error");