Hi
Can somebody help me?
I am writing a function driver for PCI controller. When device is
disabled from device manager, driver gets IRP_MN_QUERY_REMOVE_DEVICE and
IRP_MN_REMOVE_DEVICE in normal condition.
Under the same condition, when driver is busy with device IRPs, it
returns STATUS_UNSUCCESSFUL for IRP_MN_QUERY_REMOVE_DEVICE. It maintains
the device state without any change.
Following this Pnp manager sends IRP_MN_CANCEL_REMOVE_DEVICE, this IRP
is passed to lower driver without any change(also setting
status=STATUS_SUCCESS). After this OS prompts for a system restart dialog
asking user to restart to enable the system setting changes.
Is this expected behavior under Win2000? Are am I missing something?
with regards
vreddy
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