189 	if (kIOReturnSuccess != ret) {  in start()
241 	IOReturn ret = kIOReturnSuccess;  in GetRegistryEntryID_Impl()
252 	IOReturn ret = kIOReturnSuccess;  in SetName_Impl()
265 	return str ? kIOReturnSuccess : kIOReturnError;  in CopyName_Impl()
273 	IOReturn ret = kIOReturnSuccess;  in Start_Impl()
370 	return ok ? kIOReturnSuccess : kIOReturnError;  in SetLegend_Impl()
377 	IOReturn ret = kIOReturnSuccess;  in RegisterService_Impl()
437 			ret = kIOReturnSuccess;  in CopyDispatchQueue_Impl()
474 	IOReturn ret = kIOReturnSuccess;  in SetDispatchQueue_Impl()
530 		ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
556 				        ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
577 		return kIOReturnSuccess;  in RemoveProperty_Impl()
591 			        return ok ? kIOReturnSuccess : kIOReturnNotWritable;  in RemoveProperty_Impl()
616 	return props ? kIOReturnSuccess : kIOReturnNoMemory;  in CopyProperties_Local()
667 	ret = kIOReturnSuccess;  in _CopyState_Impl()
677 	return kIOReturnSuccess;  in GetLength()
694 	ret       = kIOReturnSuccess;  in CreateMapping_Impl()
743 	if (kIOReturnSuccess == ret) {  in CreateMapping_Impl()
792 		ret = kIOReturnSuccess;  in CreateSubMemoryDescriptor_Impl()
834 		ret = kIOReturnSuccess;  in CreateWithMemoryDescriptors_Impl()
886 		ret = kIOReturnSuccess;  in CreateMemoryDescriptorFromClient_Impl()
909 	ret = kIOReturnSuccess;  in _CopyState_Impl()
946 	ret = kIOReturnSuccess;  in Create_Impl()
956 	return kIOReturnSuccess;  in SetLength_Impl()
1005 	ret = kIOReturnSuccess;  in Create_Impl()
1041 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1046 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1052 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1064 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1117 		if (kIOReturnSuccess == ret) {  in CompleteDMA_Impl()
1141 	if (kIOReturnSuccess != ret) {  in GetPreparation_Impl()
1203 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1240 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1327 	ret = kIOReturnSuccess;  in OSActionCreateWithTypeNameInternal()
1406 	return kIOReturnSuccess;  in SetAbortedHandler()
1520 	if (kIOReturnSuccess != ret) {  in Create_Impl()
1525 	if (kIOReturnSuccess == ret) {  in Create_Impl()
1546 	if (kIOReturnSuccess == ret) {  in GetInterruptType_Impl()
1571 		assert(kIOReturnSuccess == ret);  in free()
1598 	ret = kIOReturnSuccess;  in SetHandler_Impl()
1612 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
1644 	return kIOReturnSuccess;  in Cancel_Impl()
1733 	return kIOReturnSuccess;  in GetLastInterrupt_Impl()
1843 			return kIOReturnSuccess;  in Create_Impl()
1864 	ret = kIOReturnSuccess;  in Create_Impl()
1896 	return kIOReturnSuccess;  in CopyNextNotification_Impl()
1978 	ret = kIOReturnSuccess;  in SetHandler_Impl()
1989 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
1996 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2187 		ret = (payload.count ? kIOReturnSuccess : kIOReturnAborted);  in waitInterruptTrap()
2190 	if (kIOReturnSuccess == ret) {  in waitInterruptTrap()
2258 	ret = kIOReturnSuccess;  in Create_Impl()
2319 	return kIOReturnSuccess;  in Create_Impl()
2331 	return kIOReturnSuccess;  in SetPort_Impl()
2414 		if (kIOReturnSuccess != ret) {  in Invoke()
2667 	return kIOReturnSuccess;  in exit()
2677 		ret = kIOReturnSuccess;  in kill()
2918 					ret = kIOReturnSuccess;  in objectInstantiate()
2930 				ret = kIOReturnSuccess;  in objectInstantiate()
2947 	if ((kIOReturnSuccess == ret) && (kOSObjectRPCRemote & resultFlags)) {  in objectInstantiate()
3016 	if (kIOReturnSuccess != ret) {  in objectInstantiate()
3040 	ret = kIOReturnSuccess;  in objectInstantiate()
3060 		if (kIOReturnSuccess != ret) {  in kernelDispatch()
3177 	if (kIOReturnSuccess != ret) {  in server()
3239 		if (kIOReturnSuccess == ret) {  in server()
3248 		if (kIOReturnSuccess != ret) {  in server()
3398 		if (kIOReturnSuccess == ret) {  in IOUserServerUEXTTrap()
3535 				if (kIOReturnSuccess != ret) {  in rpc()
3752 		return kIOReturnSuccess;  in copyOutObjects()
3871 		return kIOReturnSuccess;  in copyInObjects()
3898 	return kIOReturnSuccess;  in consumeObjects()
4205 	return kIOReturnSuccess;  in clientClose()
4268 	IOReturn          ret = kIOReturnSuccess;  in registerClass()
4384 	if (result == kIOReturnSuccess) {  in registerClass()
4400 	return kIOReturnSuccess;  in setRootQueue()
4445 	if (kIOReturnSuccess == ret) {  in externalMethodRegisterClass()
4477 	return kIOReturnSuccess;  in externalMethodStart()
4575 	ret = kIOReturnSuccess;  in serviceAttach()
4599 …if (kIOReturnSuccess == clientHasPrivilege((void *) owningTask, kIOClientPrivilegeAdministrator)) {  in serviceNewUserClient()
4611 	if (kIOReturnSuccess != ret) {  in serviceNewUserClient()
4761 		return kIOReturnSuccess;  in serviceJoinPMTree()
4766 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4776 		if (kIOReturnSuccess == kr) {  in serviceJoinPMTree()
4784 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4833 	return kIOReturnSuccess;  in serviceJoinPMTree()
4895 		if (kIOReturnSuccess == ret) {  in serviceSetPowerState()
4981 		return kIOReturnSuccess;  in SetPowerState_Impl()
5004 	return kIOReturnSuccess;  in ChangePowerState_Impl()
5026 	return kIOReturnSuccess;  in _ClaimSystemWakeEvent_Impl()
5086 			ret = kIOReturnSuccess;  in Create_Impl()
5097 	if (kIOReturnSuccess != ret) {  in Create_Impl()
5121 	return kIOReturnSuccess;  in Terminate_Impl()
5172 				return kIOReturnSuccess;  in SearchProperty_Impl()
5182 	return object ? kIOReturnSuccess : kIOReturnNotFound;  in SearchProperty_Impl()
5192 	return obj ? kIOReturnSuccess : kIOReturnError;  in StringFromReturn_Impl()
5218 	ret = kIOReturnSuccess;  in CopyProviderProperties_Impl()
5276 	if (kIOReturnSuccess != ret) {  in CopyProviderProperties_Impl()
5287 	return kIOReturnSuccess;  in AdjustBusy_Impl()
5294 	return kIOReturnSuccess;  in GetBusyState_Impl()
5485 		ret = kIOReturnSuccess;  in serviceStarted()
5498 	return kIOReturnSuccess;  in serviceStarted()
5519 		ret = kIOReturnSuccess;  in serviceOpen()
5550 	ret = kIOReturnSuccess;  in serviceClose()
5619 		return kIOReturnSuccess;  in serviceStop()
5640 	ret = kIOReturnSuccess;  in serviceStop()
5680 		if (kIOReturnSuccess != ret) {  in serviceWillTerminate()
5682 			ret = kIOReturnSuccess;  in serviceWillTerminate()
5755 	return kIOReturnSuccess;  in Stop_Impl()
5813 	return kIOReturnSuccess;  in setTask()
5830 	return kIOReturnSuccess;  in clientClose()
5858 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
5899 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
5931 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
5972 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6059 	if (kIOReturnSuccess != kr) {  in clientMemoryForType()
6106 			assert(kIOReturnSuccess == ret);  in externalMethod()
6129 	if (kr == kIOReturnSuccess && structureOutput) {  in externalMethod()
6144 	if (kIOReturnSuccess != kr) {  in externalMethod()
6150 	assert(kr == kIOReturnSuccess);  in externalMethod()
6613 		return kIOReturnSuccess;  in Create_Impl()
6616 	if (kIOReturnSuccess != kr) {  in Create_Impl()
6679 	ret = kIOReturnSuccess;  in SetHandler_Impl()
6690 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6697 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6714 	return kIOReturnSuccess;  in StateNotificationBegin_Impl()
6751 		        return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6755 			return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6758 		return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6761 	if (kIOReturnSuccess != kr) {  in serviceStateNotificationEventSource()
6890 		assert(kIOReturnSuccess == ret);  in initialize()
6896 		assert(kIOReturnSuccess == ret);  in initialize()
6902 		assert(kIOReturnSuccess == ret);  in initialize()
6908 		assert(kIOReturnSuccess == ret);  in initialize()
6986 	return kIOReturnSuccess;  in CopySystemStateNotificationService_Impl()
7034 	return kIOReturnSuccess;  in StateNotificationItemCreate_Impl()
7067 	return kIOReturnSuccess;  in StateNotificationItemSet_Impl()
7090 		ret = kIOReturnSuccess;  in StateNotificationItemCopy_Impl()
7113 	kr = kIOReturnSuccess;  in stateNotificationListenerAdd()
7135 	if (kIOReturnSuccess != kr) {  in stateNotificationListenerAdd()
7153 	kr = kIOReturnSuccess;  in stateNotificationListenerRemove()
7222 	ret = kIOReturnSuccess;  in Create_Impl()
7225 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7251 	return kIOReturnSuccess;  in InvalidateKernel_Impl()
7335 	ret = kIOReturnSuccess;  in Create_Impl()
7338 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7364 	return kIOReturnSuccess;  in InvalidateKernel_Impl()