22fb6eb571
Some objects accidentally inherit ObjectClass instead of Object. They compile silently but may crash after downcasting. In this patch, we introduce a coccinelle script to find broken declarations and fix them manually with proper base type. Signed-off-by: Sergey Nizovtsev <snizovtsev@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
42 lines
1002 B
C
42 lines
1002 B
C
/*
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* Virtual Machine coreinfo device
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*
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* Authors: Marc-André Lureau <marcandre.lureau@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef VMCOREINFO_H
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#define VMCOREINFO_H
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#include "hw/qdev-core.h"
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#include "standard-headers/linux/qemu_fw_cfg.h"
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#include "qom/object.h"
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#define VMCOREINFO_DEVICE "vmcoreinfo"
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typedef struct VMCoreInfoState VMCoreInfoState;
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DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO,
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VMCOREINFO_DEVICE)
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typedef struct fw_cfg_vmcoreinfo FWCfgVMCoreInfo;
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struct VMCoreInfoState {
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DeviceState parent_obj;
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bool has_vmcoreinfo;
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FWCfgVMCoreInfo vmcoreinfo;
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};
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/* returns NULL unless there is exactly one device */
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static inline VMCoreInfoState *vmcoreinfo_find(void)
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{
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Object *o = object_resolve_path_type("", VMCOREINFO_DEVICE, NULL);
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return o ? VMCOREINFO(o) : NULL;
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}
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#endif
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