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()
1866 			return kIOReturnSuccess;  in Create_Impl()
1887 	ret = kIOReturnSuccess;  in Create_Impl()
1919 	return kIOReturnSuccess;  in CopyNextNotification_Impl()
2001 	ret = kIOReturnSuccess;  in SetHandler_Impl()
2012 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2019 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2210 		ret = (payload.count ? kIOReturnSuccess : kIOReturnAborted);  in waitInterruptTrap()
2213 	if (kIOReturnSuccess == ret) {  in waitInterruptTrap()
2281 	ret = kIOReturnSuccess;  in Create_Impl()
2342 	return kIOReturnSuccess;  in Create_Impl()
2354 	return kIOReturnSuccess;  in SetPort_Impl()
2437 		if (kIOReturnSuccess != ret) {  in Invoke()
2696 	return kIOReturnSuccess;  in exit()
2706 		ret = kIOReturnSuccess;  in kill()
2947 					ret = kIOReturnSuccess;  in objectInstantiate()
2959 				ret = kIOReturnSuccess;  in objectInstantiate()
2976 	if ((kIOReturnSuccess == ret) && (kOSObjectRPCRemote & resultFlags)) {  in objectInstantiate()
3045 	if (kIOReturnSuccess != ret) {  in objectInstantiate()
3069 	ret = kIOReturnSuccess;  in objectInstantiate()
3089 		if (kIOReturnSuccess != ret) {  in kernelDispatch()
3206 	if (kIOReturnSuccess != ret) {  in server()
3268 		if (kIOReturnSuccess == ret) {  in server()
3277 		if (kIOReturnSuccess != ret) {  in server()
3427 		if (kIOReturnSuccess == ret) {  in IOUserServerUEXTTrap()
3564 				if (kIOReturnSuccess != ret) {  in rpc()
3782 		return kIOReturnSuccess;  in copyOutObjects()
3901 		return kIOReturnSuccess;  in copyInObjects()
3928 	return kIOReturnSuccess;  in consumeObjects()
4221 	return kIOReturnSuccess;  in clientClose()
4284 	IOReturn          ret = kIOReturnSuccess;  in registerClass()
4400 	if (result == kIOReturnSuccess) {  in registerClass()
4416 	return kIOReturnSuccess;  in setRootQueue()
4461 	if (kIOReturnSuccess == ret) {  in externalMethodRegisterClass()
4493 	return kIOReturnSuccess;  in externalMethodStart()
4591 	ret = kIOReturnSuccess;  in serviceAttach()
4615 …if (kIOReturnSuccess == clientHasPrivilege((void *) owningTask, kIOClientPrivilegeAdministrator)) {  in serviceNewUserClient()
4627 	if (kIOReturnSuccess != ret) {  in serviceNewUserClient()
4777 		return kIOReturnSuccess;  in serviceJoinPMTree()
4782 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4792 		if (kIOReturnSuccess == kr) {  in serviceJoinPMTree()
4800 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4849 	return kIOReturnSuccess;  in serviceJoinPMTree()
4911 		if (kIOReturnSuccess == ret) {  in serviceSetPowerState()
4997 		return kIOReturnSuccess;  in SetPowerState_Impl()
5020 	return kIOReturnSuccess;  in ChangePowerState_Impl()
5042 	return kIOReturnSuccess;  in _ClaimSystemWakeEvent_Impl()
5102 			ret = kIOReturnSuccess;  in Create_Impl()
5113 	if (kIOReturnSuccess != ret) {  in Create_Impl()
5137 	return kIOReturnSuccess;  in Terminate_Impl()
5188 				return kIOReturnSuccess;  in SearchProperty_Impl()
5198 	return object ? kIOReturnSuccess : kIOReturnNotFound;  in SearchProperty_Impl()
5208 	return obj ? kIOReturnSuccess : kIOReturnError;  in StringFromReturn_Impl()
5234 	ret = kIOReturnSuccess;  in CopyProviderProperties_Impl()
5292 	if (kIOReturnSuccess != ret) {  in CopyProviderProperties_Impl()
5303 	return kIOReturnSuccess;  in AdjustBusy_Impl()
5310 	return kIOReturnSuccess;  in GetBusyState_Impl()
5501 		ret = kIOReturnSuccess;  in serviceStarted()
5514 	return kIOReturnSuccess;  in serviceStarted()
5535 		ret = kIOReturnSuccess;  in serviceOpen()
5566 	ret = kIOReturnSuccess;  in serviceClose()
5635 		return kIOReturnSuccess;  in serviceStop()
5656 	ret = kIOReturnSuccess;  in serviceStop()
5696 		if (kIOReturnSuccess != ret) {  in serviceWillTerminate()
5698 			ret = kIOReturnSuccess;  in serviceWillTerminate()
5771 	return kIOReturnSuccess;  in Stop_Impl()
5829 	return kIOReturnSuccess;  in setTask()
5846 	return kIOReturnSuccess;  in clientClose()
5874 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
5915 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
5947 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
5988 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6075 	if (kIOReturnSuccess != kr) {  in clientMemoryForType()
6122 			assert(kIOReturnSuccess == ret);  in externalMethod()
6145 	if (kr == kIOReturnSuccess && structureOutput) {  in externalMethod()
6160 	if (kIOReturnSuccess != kr) {  in externalMethod()
6166 	assert(kr == kIOReturnSuccess);  in externalMethod()
6629 		return kIOReturnSuccess;  in Create_Impl()
6632 	if (kIOReturnSuccess != kr) {  in Create_Impl()
6695 	ret = kIOReturnSuccess;  in SetHandler_Impl()
6706 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6713 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6730 	return kIOReturnSuccess;  in StateNotificationBegin_Impl()
6767 		        return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6771 			return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6774 		return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6777 	if (kIOReturnSuccess != kr) {  in serviceStateNotificationEventSource()
6906 		assert(kIOReturnSuccess == ret);  in initialize()
6912 		assert(kIOReturnSuccess == ret);  in initialize()
6918 		assert(kIOReturnSuccess == ret);  in initialize()
6924 		assert(kIOReturnSuccess == ret);  in initialize()
7002 	return kIOReturnSuccess;  in CopySystemStateNotificationService_Impl()
7050 	return kIOReturnSuccess;  in StateNotificationItemCreate_Impl()
7083 	return kIOReturnSuccess;  in StateNotificationItemSet_Impl()
7106 		ret = kIOReturnSuccess;  in StateNotificationItemCopy_Impl()
7129 	kr = kIOReturnSuccess;  in stateNotificationListenerAdd()
7151 	if (kIOReturnSuccess != kr) {  in stateNotificationListenerAdd()
7169 	kr = kIOReturnSuccess;  in stateNotificationListenerRemove()
7238 	ret = kIOReturnSuccess;  in Create_Impl()
7241 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7267 	return kIOReturnSuccess;  in InvalidateKernel_Impl()
7351 	ret = kIOReturnSuccess;  in Create_Impl()
7354 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7380 	return kIOReturnSuccess;  in InvalidateKernel_Impl()