197 	if (kIOReturnSuccess != ret) {  in start()
249 	IOReturn ret = kIOReturnSuccess;  in GetRegistryEntryID_Impl()
260 	IOReturn ret = kIOReturnSuccess;  in SetName_Impl()
273 	return str ? kIOReturnSuccess : kIOReturnError;  in CopyName_Impl()
281 	IOReturn ret = kIOReturnSuccess;  in Start_Impl()
378 	return ok ? kIOReturnSuccess : kIOReturnError;  in SetLegend_Impl()
385 	IOReturn ret = kIOReturnSuccess;  in RegisterService_Impl()
445 			ret = kIOReturnSuccess;  in CopyDispatchQueue_Impl()
482 	IOReturn ret = kIOReturnSuccess;  in SetDispatchQueue_Impl()
538 		ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
564 				        ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
585 		return kIOReturnSuccess;  in RemoveProperty_Impl()
599 			        return ok ? kIOReturnSuccess : kIOReturnNotWritable;  in RemoveProperty_Impl()
624 	return props ? kIOReturnSuccess : kIOReturnNoMemory;  in CopyProperties_Local()
675 	ret = kIOReturnSuccess;  in _CopyState_Impl()
685 	return kIOReturnSuccess;  in GetLength()
702 	ret       = kIOReturnSuccess;  in CreateMapping_Impl()
754 	if (kIOReturnSuccess == ret) {  in CreateMapping_Impl()
803 		ret = kIOReturnSuccess;  in CreateSubMemoryDescriptor_Impl()
845 		ret = kIOReturnSuccess;  in CreateWithMemoryDescriptors_Impl()
897 		ret = kIOReturnSuccess;  in CreateMemoryDescriptorFromClient_Impl()
920 	ret = kIOReturnSuccess;  in _CopyState_Impl()
957 	ret = kIOReturnSuccess;  in Create_Impl()
967 	return kIOReturnSuccess;  in SetLength_Impl()
1016 	ret = kIOReturnSuccess;  in Create_Impl()
1052 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1057 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1063 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1075 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1128 		if (kIOReturnSuccess == ret) {  in CompleteDMA_Impl()
1152 	if (kIOReturnSuccess != ret) {  in GetPreparation_Impl()
1214 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1251 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1338 	ret = kIOReturnSuccess;  in OSActionCreateWithTypeNameInternal()
1417 	return kIOReturnSuccess;  in SetAbortedHandler()
1531 	if (kIOReturnSuccess != ret) {  in Create_Impl()
1536 	if (kIOReturnSuccess == ret) {  in Create_Impl()
1557 	if (kIOReturnSuccess == ret) {  in GetInterruptType_Impl()
1606 	ret = kIOReturnSuccess;  in SetHandler_Impl()
1620 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
1667 	return kIOReturnSuccess;  in Cancel_Impl()
1756 	return kIOReturnSuccess;  in GetLastInterrupt_Impl()
1893 			return kIOReturnSuccess;  in Create_Impl()
1914 	ret = kIOReturnSuccess;  in Create_Impl()
1946 	return kIOReturnSuccess;  in CopyNextNotification_Impl()
2028 	ret = kIOReturnSuccess;  in SetHandler_Impl()
2039 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2046 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2237 		ret = (payload.count ? kIOReturnSuccess : kIOReturnAborted);  in waitInterruptTrap()
2240 	if (kIOReturnSuccess == ret) {  in waitInterruptTrap()
2308 	ret = kIOReturnSuccess;  in Create_Impl()
2369 	return kIOReturnSuccess;  in Create_Impl()
2383 	return kIOReturnSuccess;  in SetPort_Impl()
2466 		if (kIOReturnSuccess != ret) {  in Invoke()
2725 	return kIOReturnSuccess;  in exit()
2735 		ret = kIOReturnSuccess;  in kill()
2984 					ret = kIOReturnSuccess;  in objectInstantiate()
2996 				ret = kIOReturnSuccess;  in objectInstantiate()
3013 	if ((kIOReturnSuccess == ret) && (kOSObjectRPCRemote & resultFlags)) {  in objectInstantiate()
3082 	if (kIOReturnSuccess != ret) {  in objectInstantiate()
3106 	ret = kIOReturnSuccess;  in objectInstantiate()
3126 		if (kIOReturnSuccess != ret) {  in kernelDispatch()
3244 	if (kIOReturnSuccess != ret) {  in server()
3313 		if (kIOReturnSuccess == ret) {  in server()
3322 		if (kIOReturnSuccess != ret) {  in server()
3489 		if (kIOReturnSuccess == ret) {  in IOUserServerUEXTTrap()
3625 				if (kIOReturnSuccess != ret) {  in rpc()
3848 		return kIOReturnSuccess;  in copyOutObjects()
3974 		return kIOReturnSuccess;  in copyInObjects()
4009 	return kIOReturnSuccess;  in consumeObjects()
4306 	return kIOReturnSuccess;  in clientClose()
4376 	IOReturn          ret = kIOReturnSuccess;  in registerClass()
4492 	if (result == kIOReturnSuccess) {  in registerClass()
4508 	return kIOReturnSuccess;  in setRootQueue()
4553 	if (kIOReturnSuccess == ret) {  in externalMethodRegisterClass()
4567 	IOReturn ret = kIOReturnSuccess;  in externalMethodStart()
4582 	if (ret == kIOReturnSuccess) {  in externalMethodStart()
4685 	ret = kIOReturnSuccess;  in serviceAttach()
4709 …if (kIOReturnSuccess == clientHasPrivilege((void *) owningTask, kIOClientPrivilegeAdministrator)) {  in serviceNewUserClient()
4721 	if (kIOReturnSuccess != ret) {  in serviceNewUserClient()
4873 		return kIOReturnSuccess;  in serviceJoinPMTree()
4878 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4888 		if (kIOReturnSuccess == kr) {  in serviceJoinPMTree()
4896 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4945 	return kIOReturnSuccess;  in serviceJoinPMTree()
5005 		if (kIOReturnSuccess == ret) {  in serviceSetPowerState()
5112 		return kIOReturnSuccess;  in acknowledgeSetPowerState()
5145 	return kIOReturnSuccess;  in ChangePowerState_Impl()
5160 	return ret == IOPMNoErr ? kIOReturnSuccess : kIOReturnError;  in SetPowerOverride_Impl()
5182 	return kIOReturnSuccess;  in _ClaimSystemWakeEvent_Impl()
5242 			ret = kIOReturnSuccess;  in Create_Impl()
5253 	if (kIOReturnSuccess != ret) {  in Create_Impl()
5277 	return kIOReturnSuccess;  in Terminate_Impl()
5328 				return kIOReturnSuccess;  in SearchProperty_Impl()
5338 	return object ? kIOReturnSuccess : kIOReturnNotFound;  in SearchProperty_Impl()
5348 	return obj ? kIOReturnSuccess : kIOReturnError;  in StringFromReturn_Impl()
5374 	ret = kIOReturnSuccess;  in CopyProviderProperties_Impl()
5432 	if (kIOReturnSuccess != ret) {  in CopyProviderProperties_Impl()
5443 	return kIOReturnSuccess;  in AdjustBusy_Impl()
5450 	return kIOReturnSuccess;  in GetBusyState_Impl()
5642 		ret = kIOReturnSuccess;  in serviceStarted()
5655 	return kIOReturnSuccess;  in serviceStarted()
5676 		ret = kIOReturnSuccess;  in serviceOpen()
5707 	ret = kIOReturnSuccess;  in serviceClose()
5775 		return kIOReturnSuccess;  in serviceStop()
5784 	ret = kIOReturnSuccess;  in serviceStop()
5838 		if (kIOReturnSuccess != ret) {  in serviceWillTerminate()
5840 			ret = kIOReturnSuccess;  in serviceWillTerminate()
5913 	return kIOReturnSuccess;  in Stop_Impl()
5971 	return kIOReturnSuccess;  in setTask()
5988 	return kIOReturnSuccess;  in clientClose()
6016 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
6057 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
6089 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6130 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6217 	if (kIOReturnSuccess != kr) {  in clientMemoryForType()
6264 			assert(kIOReturnSuccess == ret);  in externalMethod()
6287 	if (kr == kIOReturnSuccess && structureOutput) {  in externalMethod()
6302 	if (kIOReturnSuccess != kr) {  in externalMethod()
6308 	assert(kr == kIOReturnSuccess);  in externalMethod()
6390 		ret = kIOReturnSuccess;  in complete()
6777 		return kIOReturnSuccess;  in Create_Impl()
6780 	if (kIOReturnSuccess != kr) {  in Create_Impl()
6843 	ret = kIOReturnSuccess;  in SetHandler_Impl()
6854 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6861 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6878 	return kIOReturnSuccess;  in StateNotificationBegin_Impl()
6915 		        return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6919 			return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6922 		return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6925 	if (kIOReturnSuccess != kr) {  in serviceStateNotificationEventSource()
7054 		assert(kIOReturnSuccess == ret);  in initialize()
7061 		assert(kIOReturnSuccess == ret);  in initialize()
7067 		assert(kIOReturnSuccess == ret);  in initialize()
7073 		assert(kIOReturnSuccess == ret);  in initialize()
7151 	return kIOReturnSuccess;  in CopySystemStateNotificationService_Impl()
7199 	return kIOReturnSuccess;  in StateNotificationItemCreate_Impl()
7232 	return kIOReturnSuccess;  in StateNotificationItemSet_Impl()
7255 		ret = kIOReturnSuccess;  in StateNotificationItemCopy_Impl()
7278 	kr = kIOReturnSuccess;  in stateNotificationListenerAdd()
7300 	if (kIOReturnSuccess != kr) {  in stateNotificationListenerAdd()
7318 	kr = kIOReturnSuccess;  in stateNotificationListenerRemove()
7387 	ret = kIOReturnSuccess;  in Create_Impl()
7390 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7416 	return kIOReturnSuccess;  in InvalidateKernel_Impl()
7500 	ret = kIOReturnSuccess;  in Create_Impl()
7503 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7529 	return kIOReturnSuccess;  in InvalidateKernel_Impl()