174 	if (kIOReturnSuccess != ret) {  in start()
225 	IOReturn ret = kIOReturnSuccess;  in GetRegistryEntryID_Impl()
236 	IOReturn ret = kIOReturnSuccess;  in SetName_Impl()
249 	return str ? kIOReturnSuccess : kIOReturnError;  in CopyName_Impl()
257 	IOReturn ret = kIOReturnSuccess;  in Start_Impl()
354 	return ok ? kIOReturnSuccess : kIOReturnError;  in SetLegend_Impl()
361 	IOReturn ret = kIOReturnSuccess;  in RegisterService_Impl()
402 			ret = kIOReturnSuccess;  in CopyDispatchQueue_Impl()
439 	IOReturn ret = kIOReturnSuccess;  in SetDispatchQueue_Impl()
495 		ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
521 				        ret = ok ? kIOReturnSuccess : kIOReturnNotWritable;  in SetProperties_Impl()
542 		return kIOReturnSuccess;  in RemoveProperty_Impl()
556 			        return ok ? kIOReturnSuccess : kIOReturnNotWritable;  in RemoveProperty_Impl()
581 	return props ? kIOReturnSuccess : kIOReturnNoMemory;  in CopyProperties_Impl()
596 	return kIOReturnSuccess;  in RequireMaxBusStall_Impl()
619 	ret = kIOReturnSuccess;  in _CopyState_Impl()
629 	return kIOReturnSuccess;  in GetLength()
646 	ret       = kIOReturnSuccess;  in CreateMapping_Impl()
695 	if (kIOReturnSuccess == ret) {  in CreateMapping_Impl()
744 		ret = kIOReturnSuccess;  in CreateSubMemoryDescriptor_Impl()
786 		ret = kIOReturnSuccess;  in CreateWithMemoryDescriptors_Impl()
838 		ret = kIOReturnSuccess;  in CreateMemoryDescriptorFromClient_Impl()
861 	ret = kIOReturnSuccess;  in _CopyState_Impl()
898 	ret = kIOReturnSuccess;  in Create_Impl()
908 	return kIOReturnSuccess;  in SetLength_Impl()
956 	ret = kIOReturnSuccess;  in Create_Impl()
983 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
988 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
994 	if (kIOReturnSuccess != ret) {  in PrepareForDMA_Impl()
1006 	if (kIOReturnSuccess == ret) {  in PrepareForDMA_Impl()
1047 		if (kIOReturnSuccess == ret) {  in CompleteDMA_Impl()
1069 	if (kIOReturnSuccess != ret) {  in GetPreparation_Impl()
1131 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1168 		ret = kIOReturnSuccess;  in PerformOperation_Impl()
1255 	ret = kIOReturnSuccess;  in OSActionCreateWithTypeNameInternal()
1334 	return kIOReturnSuccess;  in SetAbortedHandler()
1443 	if (kIOReturnSuccess != ret) {  in Create_Impl()
1448 	if (kIOReturnSuccess == ret) {  in Create_Impl()
1469 	if (kIOReturnSuccess == ret) {  in GetInterruptType_Impl()
1494 		assert(kIOReturnSuccess == ret);  in free()
1521 	ret = kIOReturnSuccess;  in SetHandler_Impl()
1535 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
1724 			return kIOReturnSuccess;  in Create_Impl()
1745 	ret = kIOReturnSuccess;  in Create_Impl()
1777 	return kIOReturnSuccess;  in CopyNextNotification_Impl()
1847 	ret = kIOReturnSuccess;  in SetHandler_Impl()
1858 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
1865 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
2048 		ret = (payload.count ? kIOReturnSuccess : kIOReturnAborted);  in waitInterruptTrap()
2051 	if (kIOReturnSuccess == ret) {  in waitInterruptTrap()
2118 	ret = kIOReturnSuccess;  in Create_Impl()
2179 	return kIOReturnSuccess;  in Create_Impl()
2191 	return kIOReturnSuccess;  in SetPort_Impl()
2274 		if (kIOReturnSuccess != ret) {  in Invoke()
2516 	return kIOReturnSuccess;  in exit()
2754 					ret = kIOReturnSuccess;  in objectInstantiate()
2765 				ret = kIOReturnSuccess;  in objectInstantiate()
2782 	if ((kIOReturnSuccess == ret) && (kOSObjectRPCRemote & resultFlags)) {  in objectInstantiate()
2851 	if (kIOReturnSuccess != ret) {  in objectInstantiate()
2875 	ret = kIOReturnSuccess;  in objectInstantiate()
2895 		if (kIOReturnSuccess != ret) {  in kernelDispatch()
3015 	if (kIOReturnSuccess != ret) {  in server()
3077 		if (kIOReturnSuccess == ret) {  in server()
3086 		if (kIOReturnSuccess != ret) {  in server()
3224 		if (kIOReturnSuccess == ret) {  in IOUserServerUEXTTrap()
3362 				if (kIOReturnSuccess != ret) {  in rpc()
3570 		return kIOReturnSuccess;  in copyOutObjects()
3689 		return kIOReturnSuccess;  in copyInObjects()
3716 	return kIOReturnSuccess;  in consumeObjects()
3888 	return kIOReturnSuccess;  in clientClose()
3939 	IOReturn          ret = kIOReturnSuccess;  in registerClass()
4055 	if (result == kIOReturnSuccess) {  in registerClass()
4071 	return kIOReturnSuccess;  in setRootQueue()
4092 		if (kIOReturnSuccess == ret) {  in externalMethod()
4123 		ret = kIOReturnSuccess;  in externalMethod()
4208 	ret = kIOReturnSuccess;  in serviceAttach()
4233 …if (entitlements && (kIOReturnSuccess == clientHasPrivilege((void *) owningTask, kIOClientPrivileg…  in serviceNewUserClient()
4239 	if (kIOReturnSuccess != ret) {  in serviceNewUserClient()
4360 		if (kIOReturnSuccess == ret) {  in serviceSetPowerState()
4437 		return kIOReturnSuccess;  in SetPowerState_Impl()
4460 	return kIOReturnSuccess;  in ChangePowerState_Impl()
4482 	return kIOReturnSuccess;  in _ClaimSystemWakeEvent_Impl()
4520 				ret = kIOReturnSuccess;  in Create_Impl()
4528 	if (kIOReturnSuccess != ret) {  in Create_Impl()
4552 	return kIOReturnSuccess;  in Terminate_Impl()
4603 				return kIOReturnSuccess;  in SearchProperty_Impl()
4613 	return object ? kIOReturnSuccess : kIOReturnNotFound;  in SearchProperty_Impl()
4623 	return obj ? kIOReturnSuccess : kIOReturnError;  in StringFromReturn_Impl()
4640 	ret = kIOReturnSuccess;  in CopyProviderProperties_Impl()
4698 	if (kIOReturnSuccess != ret) {  in CopyProviderProperties_Impl()
4709 	return kIOReturnSuccess;  in AdjustBusy_Impl()
4716 	return kIOReturnSuccess;  in GetBusyState_Impl()
4900 		ret = kIOReturnSuccess;  in serviceStarted()
4906 		assert(kIOReturnSuccess == ret);  in serviceStarted()
4915 		assert(kIOReturnSuccess == ret);  in serviceStarted()
4962 	return kIOReturnSuccess;  in serviceStarted()
4980 	return kIOReturnSuccess;  in serviceOpen()
5006 	ret = kIOReturnSuccess;  in serviceClose()
5075 		return kIOReturnSuccess;  in serviceStop()
5094 	ret = kIOReturnSuccess;  in serviceStop()
5134 		if (kIOReturnSuccess != ret) {  in serviceWillTerminate()
5136 			ret = kIOReturnSuccess;  in serviceWillTerminate()
5209 	return kIOReturnSuccess;  in Stop_Impl()
5267 	return kIOReturnSuccess;  in setTask()
5284 	return kIOReturnSuccess;  in clientClose()
5312 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
5353 	if (ret != kIOReturnSuccess) {  in eventlinkConfigurationTrap()
5385 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
5426 	if (ret != kIOReturnSuccess) {  in workgroupConfigurationTrap()
5513 	if (kIOReturnSuccess != kr) {  in clientMemoryForType()
5560 			assert(kIOReturnSuccess == ret);  in externalMethod()
5583 	if (kIOReturnSuccess != kr) {  in externalMethod()
5967 		return kIOReturnSuccess;  in Create_Impl()
5970 	if (kIOReturnSuccess != kr) {  in Create_Impl()
6033 	ret = kIOReturnSuccess;  in SetHandler_Impl()
6044 		return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6051 	return kIOReturnSuccess;  in SetEnableWithCompletion_Impl()
6068 	return kIOReturnSuccess;  in StateNotificationBegin_Impl()
6105 		        return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6109 			return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6112 		return kIOReturnSuccess;  in serviceStateNotificationEventSource()
6115 	if (kIOReturnSuccess != kr) {  in serviceStateNotificationEventSource()
6244 		assert(kIOReturnSuccess == ret);  in initialize()
6250 		assert(kIOReturnSuccess == ret);  in initialize()
6256 		assert(kIOReturnSuccess == ret);  in initialize()
6330 	return kIOReturnSuccess;  in CopySystemStateNotificationService_Impl()
6378 	return kIOReturnSuccess;  in StateNotificationItemCreate_Impl()
6411 	return kIOReturnSuccess;  in StateNotificationItemSet_Impl()
6434 		ret = kIOReturnSuccess;  in StateNotificationItemCopy_Impl()
6457 	kr = kIOReturnSuccess;  in stateNotificationListenerAdd()
6479 	if (kIOReturnSuccess != kr) {  in stateNotificationListenerAdd()
6497 	kr = kIOReturnSuccess;  in stateNotificationListenerRemove()
6566 	ret = kIOReturnSuccess;  in Create_Impl()
6569 	if (ret != kIOReturnSuccess) {  in Create_Impl()
6595 	return kIOReturnSuccess;  in InvalidateKernel_Impl()
6679 	ret = kIOReturnSuccess;  in Create_Impl()
6682 	if (ret != kIOReturnSuccess) {  in Create_Impl()
6708 	return kIOReturnSuccess;  in InvalidateKernel_Impl()