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qemu: fix use after free

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* src/qemu/qemu_hotplug.c (qemuDomainAttachHostDevice): Avoid
double free of usb on failure.
(cherry picked from commit 665c8cdecc)
This commit is contained in:
Eric Blake 2012-07-31 08:05:14 -06:00 committed by Cole Robinson
parent 819df25518
commit 9649b0a8b4
1 changed files with 1 additions and 0 deletions
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src/qemu/qemu_hotplug.c
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@ -1170,6 +1170,7 @@ int qemuDomainAttachHostDevice(struct qemud_driver *driver,
if (usbDeviceListAdd(list, usb) < 0) {
usbFreeDevice(usb);
usb = NULL:
goto cleanup;
}