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From d2b004602412ce65613b30f28d07ef8607e0d505 Mon Sep 17 00:00:00 2001
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From: Markus Armbruster <armbru@redhat.com>
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Date: Fri, 17 Jan 2014 17:07:58 +0100
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Subject: [PATCH 08/11] qdev-monitor: Avoid device_add crashing on non-device driver name
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Markus Armbruster <armbru@redhat.com>
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Message-id: <1389978479-30595-9-git-send-email-armbru@redhat.com>
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Patchwork-id: 56795
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O-Subject: [PATCH 7.0 qemu-kvm 8/9] qdev-monitor: Avoid device_add crashing on non-device driver name
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Bugzilla: 669524
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
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Watch this:
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$ upstream-qemu -nodefaults -S -display none -monitor stdio
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QEMU 1.7.50 monitor - type 'help' for more information
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(qemu) device_add rng-egd
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/work/armbru/qemu/qdev-monitor.c:491:qdev_device_add: Object 0x2089b00 is not an instance of type device
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Aborted (core dumped)
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Crashes because "rng-egd" exists, but isn't a subtype of TYPE_DEVICE.
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Broken in commit 18b6dad.
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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(cherry picked from commit 061e84f7a469ad1f94f3b5f6a5361b346ab990e8)
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---
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qdev-monitor.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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qdev-monitor.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/qdev-monitor.c b/qdev-monitor.c
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index da7fe0d..55a476b 100644
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--- a/qdev-monitor.c
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+++ b/qdev-monitor.c
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@@ -478,7 +478,7 @@ DeviceState *qdev_device_add(QemuOpts *opts)
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}
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}
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- if (!oc) {
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+ if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) {
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qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type");
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return NULL;
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}
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--
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1.7.1
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