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ntoskrnl: Do not send power IRPs on device start and removal. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-04-10 21:57:18 -05:00 committed by Alexandre Julliard
parent 48b2e67d09
commit 94037f90a0
1 changed files with 0 additions and 28 deletions
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28
dlls/ntoskrnl.exe/pnp.c
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@ -141,30 +141,6 @@ static NTSTATUS get_device_instance_id( DEVICE_OBJECT *device, WCHAR *buffer )
return STATUS_SUCCESS;
}
static void send_power_irp( DEVICE_OBJECT *device, DEVICE_POWER_STATE power )
{
IO_STATUS_BLOCK irp_status;
IO_STACK_LOCATION *irpsp;
KEVENT event;
IRP *irp;
device = IoGetAttachedDevice( device );
KeInitializeEvent( &event, NotificationEvent, FALSE );
if (!(irp = IoBuildSynchronousFsdRequest( IRP_MJ_POWER, device, NULL, 0, NULL, &event, &irp_status )))
return;
irpsp = IoGetNextIrpStackLocation( irp );
irpsp->MinorFunction = IRP_MN_SET_POWER;
irpsp->Parameters.Power.Type = DevicePowerState;
irpsp->Parameters.Power.State.DeviceState = power;
irp->IoStatus.u.Status = STATUS_NOT_SUPPORTED;
if (IoCallDriver( device, irp ) == STATUS_PENDING)
KeWaitForSingleObject( &event, Executive, KernelMode, FALSE, NULL );
}
static NTSTATUS get_device_caps( DEVICE_OBJECT *device, DEVICE_CAPABILITIES *caps )
{
IO_STACK_LOCATION *irpsp;
@ -317,10 +293,7 @@ static void start_device( DEVICE_OBJECT *device, HDEVINFO set, SP_DEVINFO_DATA *
{
load_function_driver( device, set, sp_device );
if (device->DriverObject)
{
send_pnp_irp( device, IRP_MN_START_DEVICE );
send_power_irp( device, PowerDeviceD0 );
}
}
static void enumerate_new_device( DEVICE_OBJECT *device, HDEVINFO set )
@ -384,7 +357,6 @@ static void remove_device( DEVICE_OBJECT *device )
remove_device( wine_device->children->Objects[i] );
}
send_power_irp( device, PowerDeviceD3 );
send_pnp_irp( device, IRP_MN_SURPRISE_REMOVAL );
send_pnp_irp( device, IRP_MN_REMOVE_DEVICE );
}