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winebus.sys: Reject ioctls on a removed device. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-04-14 23:22:05 -05:00 committed by Alexandre Julliard
parent f8ec3fdcdb
commit b0f25d7e1b
1 changed files with 18 additions and 4 deletions
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22
dlls/winebus.sys/main.c
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@ -114,6 +114,8 @@ struct device_extension
{
CRITICAL_SECTION cs;
BOOL removed;
struct pnp_device *pnp_device;
WORD vid, pid, input;
@ -355,6 +357,10 @@ void bus_unlink_hid_device(DEVICE_OBJECT *device)
EnterCriticalSection(&device_list_cs);
list_remove(&pnp_device->entry);
LeaveCriticalSection(&device_list_cs);
EnterCriticalSection(&ext->cs);
ext->removed = TRUE;
LeaveCriticalSection(&ext->cs);
}
void bus_remove_hid_device(DEVICE_OBJECT *device)
@ -709,6 +715,16 @@ static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
return IoCallDriver(bus_pdo, irp);
}
EnterCriticalSection(&ext->cs);
if (ext->removed)
{
LeaveCriticalSection(&ext->cs);
irp->IoStatus.u.Status = STATUS_DELETE_PENDING;
IoCompleteRequest(irp, IO_NO_INCREMENT);
return STATUS_DELETE_PENDING;
}
switch (irpsp->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_HID_GET_DEVICE_ATTRIBUTES:
@ -791,7 +807,6 @@ static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
{
HID_XFER_PACKET *packet = (HID_XFER_PACKET*)(irp->UserBuffer);
TRACE_(hid_report)("IOCTL_HID_GET_INPUT_REPORT\n");
EnterCriticalSection(&ext->cs);
status = ext->vtbl->begin_report_processing(device);
if (status != STATUS_SUCCESS)
{
@ -806,13 +821,11 @@ static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
if (status == STATUS_SUCCESS)
packet->reportBufferLen = irp->IoStatus.Information;
LeaveCriticalSection(&ext->cs);
break;
}
case IOCTL_HID_READ_REPORT:
{
TRACE_(hid_report)("IOCTL_HID_READ_REPORT\n");
EnterCriticalSection(&ext->cs);
status = ext->vtbl->begin_report_processing(device);
if (status != STATUS_SUCCESS)
{
@ -832,7 +845,6 @@ static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
InsertTailList(&ext->irp_queue, &irp->Tail.Overlay.s.ListEntry);
status = STATUS_PENDING;
}
LeaveCriticalSection(&ext->cs);
break;
}
case IOCTL_HID_SET_OUTPUT_REPORT:
@ -873,6 +885,8 @@ static NTSTATUS WINAPI hid_internal_dispatch(DEVICE_OBJECT *device, IRP *irp)
}
}
LeaveCriticalSection(&ext->cs);
if (status != STATUS_PENDING)
IoCompleteRequest(irp, IO_NO_INCREMENT);