174 	if (kIOReturnSuccess != ret) {  in start()
226 	IOReturn ret = kIOReturnSuccess;  in GetRegistryEntryID_Impl()
237 	IOReturn ret = kIOReturnSuccess;  in SetName_Impl()
250 	return str ? kIOReturnSuccess : kIOReturnError;  in CopyName_Impl()
258 	IOReturn ret = kIOReturnSuccess;  in Start_Impl()
355 	return ok ? kIOReturnSuccess : kIOReturnError;  in SetLegend_Impl()
362 	IOReturn ret = kIOReturnSuccess;  in RegisterService_Impl()
422 			ret = kIOReturnSuccess;  in CopyDispatchQueue_Impl()
459 	IOReturn ret = kIOReturnSuccess;  in SetDispatchQueue_Impl()
515 		ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
541 				        ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
562 		return kIOReturnSuccess;  in RemoveProperty_Impl()
576 			        return ok ? kIOReturnSuccess : kIOReturnNotWritable;  in RemoveProperty_Impl()
601 	return props ? kIOReturnSuccess : kIOReturnNoMemory;  in CopyProperties_Local()
652 	ret = kIOReturnSuccess;  in _CopyState_Impl()
662 	return kIOReturnSuccess;  in GetLength()
679 	ret       = kIOReturnSuccess;  in CreateMapping_Impl()
731 	if (kIOReturnSuccess == ret) {  in CreateMapping_Impl()
780 		ret = kIOReturnSuccess;  in CreateSubMemoryDescriptor_Impl()
822 		ret = kIOReturnSuccess;  in CreateWithMemoryDescriptors_Impl()
874 		ret = kIOReturnSuccess;  in CreateMemoryDescriptorFromClient_Impl()
897 	ret = kIOReturnSuccess;  in _CopyState_Impl()
934 	ret = kIOReturnSuccess;  in Create_Impl()
944 	return kIOReturnSuccess;  in SetLength_Impl()
993 	ret = kIOReturnSuccess;  in Create_Impl()
1029 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1034 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1040 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1052 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1105 		if (kIOReturnSuccess == ret) {  in CompleteDMA_Impl()
1129 	if (kIOReturnSuccess != ret) {  in GetPreparation_Impl()
1191 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1228 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1315 	ret = kIOReturnSuccess;  in OSActionCreateWithTypeNameInternal()
1394 	return kIOReturnSuccess;  in SetAbortedHandler()
1512 	if (kIOReturnSuccess != ret) {  in Create_Impl()
1517 	if (kIOReturnSuccess == ret) {  in Create_Impl()
1538 	if (kIOReturnSuccess == ret) {  in GetInterruptType_Impl()
1587 	ret = kIOReturnSuccess;  in SetHandler_Impl()
1601 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
1648 	return kIOReturnSuccess;  in Cancel_Impl()
1737 	return kIOReturnSuccess;  in GetLastInterrupt_Impl()
1860 				        return kIOReturnSuccess;  in Create_Impl()
1883 				return kIOReturnSuccess;  in Create_Impl()
1905 	ret = kIOReturnSuccess;  in Create_Impl()
1937 	return kIOReturnSuccess;  in CopyNextNotification_Impl()
2020 	ret = kIOReturnSuccess;  in SetHandler_Impl()
2031 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2038 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2229 		ret = (payload.count ? kIOReturnSuccess : kIOReturnAborted);  in waitInterruptTrap()
2232 	if (kIOReturnSuccess == ret) {  in waitInterruptTrap()
2300 	ret = kIOReturnSuccess;  in Create_Impl()
2361 	return kIOReturnSuccess;  in Create_Impl()
2375 	return kIOReturnSuccess;  in SetPort_Impl()
2458 		if (kIOReturnSuccess != ret) {  in Invoke()
2717 	return kIOReturnSuccess;  in exit()
2727 		ret = kIOReturnSuccess;  in kill()
2977 					ret = kIOReturnSuccess;  in objectInstantiate()
2989 				ret = kIOReturnSuccess;  in objectInstantiate()
3006 	if ((kIOReturnSuccess == ret) && (kOSObjectRPCRemote & resultFlags)) {  in objectInstantiate()
3075 	if (kIOReturnSuccess != ret) {  in objectInstantiate()
3099 	ret = kIOReturnSuccess;  in objectInstantiate()
3119 		if (kIOReturnSuccess != ret) {  in kernelDispatch()
3237 	if (kIOReturnSuccess != ret) {  in server()
3306 		if (kIOReturnSuccess == ret) {  in server()
3315 		if (kIOReturnSuccess != ret) {  in server()
3482 		if (kIOReturnSuccess == ret) {  in IOUserServerUEXTTrap()
3618 				if (kIOReturnSuccess != ret) {  in rpc()
3829 		return kIOReturnSuccess;  in copyOutObjects()
3955 		return kIOReturnSuccess;  in copyInObjects()
3990 	return kIOReturnSuccess;  in consumeObjects()
4305 	return kIOReturnSuccess;  in clientClose()
4375 	IOReturn          ret = kIOReturnSuccess;  in registerClass()
4491 	if (result == kIOReturnSuccess) {  in registerClass()
4507 	return kIOReturnSuccess;  in setRootQueue()
4552 	if (kIOReturnSuccess == ret) {  in externalMethodRegisterClass()
4566 	IOReturn ret = kIOReturnSuccess;  in externalMethodStart()
4581 	if (ret == kIOReturnSuccess) {  in externalMethodStart()
4691 	ret = kIOReturnSuccess;  in serviceAttach()
4718 …if (kIOReturnSuccess == clientHasPrivilege((void *) owningTask, kIOClientPrivilegeAdministrator)) {  in serviceNewUserClient()
4730 	if (kIOReturnSuccess != ret || uc == NULL) {  in serviceNewUserClient()
4887 		return kIOReturnSuccess;  in serviceJoinPMTree()
4892 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4902 		if (kIOReturnSuccess == kr) {  in serviceJoinPMTree()
4926 		assert(kIOReturnSuccess == ret);  in serviceJoinPMTree()
4975 	return kIOReturnSuccess;  in serviceJoinPMTree()
5033 		if (kIOReturnSuccess == ret) {  in serviceSetPowerState()
5122 	IOReturn ret = kIOReturnSuccess;  in serviceCreatePMAssertion()
5144 			assert(ret != kIOReturnSuccess || *assertionID != kIOPMUndefinedDriverAssertionID);  in serviceCreatePMAssertion()
5175 	kern_return_t ret = kIOReturnSuccess;  in serviceReleasePMAssertion()
5208 	if (ret == kIOReturnSuccess) {  in serviceReleasePMAssertion()
5240 		return kIOReturnSuccess;  in acknowledgeSetPowerState()
5273 	return kIOReturnSuccess;  in ChangePowerState_Impl()
5288 	return ret == IOPMNoErr ? kIOReturnSuccess : kIOReturnError;  in SetPowerOverride_Impl()
5310 	return kIOReturnSuccess;  in _ClaimSystemWakeEvent_Impl()
5377 			ret = kIOReturnSuccess;  in Create_Impl()
5388 	if (kIOReturnSuccess != ret) {  in Create_Impl()
5412 	return kIOReturnSuccess;  in Terminate_Impl()
5463 				return kIOReturnSuccess;  in SearchProperty_Impl()
5473 	return object ? kIOReturnSuccess : kIOReturnNotFound;  in SearchProperty_Impl()
5483 	return obj ? kIOReturnSuccess : kIOReturnError;  in StringFromReturn_Impl()
5509 	ret = kIOReturnSuccess;  in CopyProviderProperties_Impl()
5567 	if (kIOReturnSuccess != ret) {  in CopyProviderProperties_Impl()
5578 	return kIOReturnSuccess;  in AdjustBusy_Impl()
5585 	return kIOReturnSuccess;  in GetBusyState_Impl()
5873 		ret = kIOReturnSuccess;  in serviceStarted()
5885 		return kIOReturnSuccess;  in serviceStarted()
5893 	return kIOReturnSuccess;  in serviceStarted()
5914 		ret = kIOReturnSuccess;  in serviceOpen()
5945 	ret = kIOReturnSuccess;  in serviceClose()
5974 		return kIOReturnSuccess;  in serviceStop()
6031 		return kIOReturnSuccess;  in serviceStop()
6058 	ret = kIOReturnSuccess;  in serviceStop()
6125 		if (kIOReturnSuccess != ret) {  in serviceWillTerminate()
6127 			ret = kIOReturnSuccess;  in serviceWillTerminate()
6207 	return kIOReturnSuccess;  in Stop_Impl()
6265 	return kIOReturnSuccess;  in setTask()
6282 	return kIOReturnSuccess;  in clientClose()
6309 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
6338 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
6343 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
6374 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6403 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6408 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
6495 	if (kIOReturnSuccess != kr) {  in clientMemoryForType()
6542 			assert(kIOReturnSuccess == ret);  in externalMethod()
6565 	if (kr == kIOReturnSuccess && structureOutput) {  in externalMethod()
6580 	if (kIOReturnSuccess != kr) {  in externalMethod()
6586 	assert(kr == kIOReturnSuccess);  in externalMethod()
6668 		ret = kIOReturnSuccess;  in complete()
7071 		return kIOReturnSuccess;  in Create_Impl()
7074 	if (kIOReturnSuccess != kr) {  in Create_Impl()
7137 	ret = kIOReturnSuccess;  in SetHandler_Impl()
7148 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
7155 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
7172 	return kIOReturnSuccess;  in StateNotificationBegin_Impl()
7209 		        return kIOReturnSuccess;  in serviceStateNotificationEventSource()
7213 			return kIOReturnSuccess;  in serviceStateNotificationEventSource()
7216 		return kIOReturnSuccess;  in serviceStateNotificationEventSource()
7219 	if (kIOReturnSuccess != kr) {  in serviceStateNotificationEventSource()
7347 		assert(kIOReturnSuccess == ret);  in initialize()
7361 		assert(kIOReturnSuccess == ret);  in initialize()
7364 		assert(kIOReturnSuccess == ret);  in initialize()
7371 		assert(kIOReturnSuccess == ret);  in initialize()
7377 		assert(kIOReturnSuccess == ret);  in initialize()
7457 	return kIOReturnSuccess;  in CopySystemStateNotificationService_Impl()
7502 	return kIOReturnSuccess;  in StateNotificationItemCreate_Impl()
7508 	kern_return_t              ret = kIOReturnSuccess;  in StateNotificationItemSet_Impl()
7565 		ret = kIOReturnSuccess;  in StateNotificationItemCopy_Impl()
7588 	kr = kIOReturnSuccess;  in stateNotificationListenerAdd()
7610 	if (kIOReturnSuccess != kr) {  in stateNotificationListenerAdd()
7628 	kr = kIOReturnSuccess;  in stateNotificationListenerRemove()
7697 	ret = kIOReturnSuccess;  in Create_Impl()
7700 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7726 	return kIOReturnSuccess;  in InvalidateKernel_Impl()
7810 	ret = kIOReturnSuccess;  in Create_Impl()
7813 	if (ret != kIOReturnSuccess) {  in Create_Impl()
7839 	return kIOReturnSuccess;  in InvalidateKernel_Impl()