IOReturn CLASS::newUserClient(task_t owningTask, void* securityID, UInt32 type, IOUserClient ** handler)
{
IOUserClient *client;
if (type != kGUXUCType)
return kIOReturnUnsupported;
if (!handler)
return kIOReturnBadArgument;
client = OSTypeAlloc(GenericUSBXHCIUserClient);
if (!client)
return kIOReturnNoMemory;
if (!client->initWithTask(owningTask, securityID, type)) {
client->release();
return kIOReturnInternalError;
}
if (!client->attach(this)) {
client->release();
return kIOReturnInternalError;
}
if (!client->start(this)) {
client->detach(this);
client->release();
return kIOReturnInternalError;
}
*handler = client;
return kIOReturnSuccess;
}
IOReturn
IOI2CDevice::newUserClient(
task_t owningTask,
void *securityID,
UInt32 type,
OSDictionary *properties,
IOUserClient **handler)
{
IOUserClient *client;
OSObject *temp;
DLOG("%s::newUserClient\n", getName());
if (type != kIOI2CUserClientType)
return super::newUserClient(owningTask,securityID,type,properties,handler);
if (IOUserClient::clientHasPrivilege(securityID, "root") != kIOReturnSuccess)
{
ERRLOG("%s::newUserClient: Can't create user client, not privileged\n", getName());
return kIOReturnNotPrivileged;
}
temp = OSMetaClass::allocClassWithName("IOI2CUserClient");
if (!temp)
return kIOReturnNoMemory;
if (OSDynamicCast(IOUserClient, temp))
client = (IOUserClient *) temp;
else
{
temp->release();
return kIOReturnUnsupported;
}
if ( !client->initWithTask(owningTask, securityID, type, properties) )
{
client->release();
return kIOReturnBadArgument;
}
if ( !client->attach(this) )
{
client->release();
return kIOReturnUnsupported;
}
if ( !client->start(this) )
{
client->detach(this);
client->release();
return kIOReturnUnsupported;
}
*handler = client;
return kIOReturnSuccess;
}