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This commit is contained in:
Kovid Goyal 2012-08-17 11:04:41 +05:30
parent 6213d10bcd
commit be3792c5c5
1 changed files with 5 additions and 11 deletions
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16
src/calibre/devices/mtp/windows/content_enumeration.cpp
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@ -179,7 +179,7 @@ public:
};
static PyObject* bulk_get_filesystem(IPortableDevice *device, IPortableDevicePropertiesBulk *bulk_properties, const wchar_t *storage_id, IPortableDevicePropVariantCollection *object_ids) {
PyObject *folders = NULL, *ret = NULL;
PyObject *folders = NULL;
GUID guid_context = GUID_NULL;
HANDLE ev = NULL;
IPortableDeviceKeyCollection *properties;
@ -230,22 +230,16 @@ static PyObject* bulk_get_filesystem(IPortableDevice *device, IPortableDevicePro
}
PyEval_RestoreThread(callback->thread_state);
if (!ok) {
// We deliberately leak the callback object to prevent any crashes in case COM tries to call methods on it during a future pump_waiting_messages()
PyDict_Clear(folders);
folders = NULL;
callback = NULL;
ev = NULL;
bulk_properties->Cancel(guid_context);
pump_waiting_messages();
Py_DECREF(folders); folders = NULL;
}
end:
if (folders != NULL) {
ret = PyDict_Values(folders);
Py_DECREF(folders);
}
if (ev != NULL) CloseHandle(ev);
if (properties != NULL) properties->Release();
if (callback != NULL) callback->Release();
return ret;
return folders;
}
static BOOL find_all_objects_in(IPortableDeviceContent *content, IPortableDevicePropVariantCollection *object_ids, const wchar_t *parent_id) {