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[Qemu-commits] [COMMIT dde8bbb] Warn if value of qdev_init() isn't check
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT dde8bbb] Warn if value of qdev_init() isn't checked |
Date: |
Thu, 08 Oct 2009 02:59:27 -0000 |
From: Markus Armbruster <address@hidden>
After qdev_init() fails, the device is gone. Failure to check runs a
high risk of use-after-free.
Patchworks-ID: 35166
Signed-off-by: Markus Armbruster <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
diff --git a/hw/qdev.h b/hw/qdev.h
index b385b25..8cd843e 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -100,7 +100,7 @@ struct CompatProperty {
DeviceState *qdev_create(BusState *bus, const char *name);
DeviceState *qdev_device_add(QemuOpts *opts);
-int qdev_init(DeviceState *dev);
+int qdev_init(DeviceState *dev) __attribute__((warn_unused_result));
void qdev_init_nofail(DeviceState *dev);
int qdev_unplug(DeviceState *dev);
void qdev_free(DeviceState *dev);
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