IoFreeController - NtDoc
Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
// ntddk.h
VOID IoFreeController(
[in] PCONTROLLER_OBJECT ControllerObject
);
View the official Windows Driver Kit DDI referenceNo description available.
The IoFreeController routine releases a previously allocated controller object when the driver has completed an I/O request.
ControllerObject [in]Pointer to the driver's controller object, which was allocated for the current I/O operation on a particular device by calling IoAllocateController.
The connection between the current target device object and the controller object is released only if no requests are currently queued to the same device. Otherwise, the driver's ControllerControl routine is called with the next IRP bound through the device controller to the target device.