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From: armbru@redhat.com
To: qemu-devel@nongnu.org
Cc: afaerber@suse.de, aliguori@amazon.com, qemu-stable@nongnu.org
Subject: [Qemu-devel] [PATCH] qdev-monitor: device_add crashes on non-device driver name, fix
Date: Thu, 28 Nov 2013 17:02:24 +0100	[thread overview]
Message-ID: <1385654544-1774-1-git-send-email-armbru@redhat.com> (raw)

From: Markus Armbruster <armbru@redhat.com>

Watch this:

    $ upstream-qemu -nodefaults -S -display none -monitor stdio
    QEMU 1.7.50 monitor - type 'help' for more information
    (qemu) device_add rng-egd
    /work/armbru/qemu/qdev-monitor.c:491:qdev_device_add: Object 0x2089b00 is not an instance of type device
    Aborted (core dumped)

Crashes because "rng-egd" exists, but isn't a subtype of TYPE_DEVICE.
Broken in commit 18b6dad.

Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 qdev-monitor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qdev-monitor.c b/qdev-monitor.c
index dc37a43..90a0cea 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -477,7 +477,7 @@ DeviceState *qdev_device_add(QemuOpts *opts)
         }
     }
 
-    if (!oc) {
+    if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) {
         qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type");
         return NULL;
     }
-- 
1.8.1.4

             reply	other threads:[~2013-11-28 16:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-28 16:02 armbru [this message]
2013-11-28 16:11 ` [Qemu-devel] [PATCH] qdev-monitor: device_add crashes on non-device driver name, fix Andreas Färber
2013-11-28 16:19   ` Markus Armbruster
2013-12-18 14:54 ` Markus Armbruster
2013-12-18 15:50   ` Andreas Färber
2013-12-18 17:06     ` Markus Armbruster

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