mirror of
git://source.winehq.org/git/wine.git
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b70dd1aa86
Before 5400210376, the output buffer
was released because UserIosb != NULL.
Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/*
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* WINE Hid device services
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*
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* Copyright 2015 Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define NONAMELESSUNION
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#include <unistd.h>
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#include <stdarg.h>
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#include "hid.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(hid);
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static struct list minidriver_list = LIST_INIT(minidriver_list);
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minidriver* find_minidriver(DRIVER_OBJECT *driver)
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{
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minidriver *md;
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LIST_FOR_EACH_ENTRY(md, &minidriver_list, minidriver, entry)
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{
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if (md->minidriver.DriverObject == driver)
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return md;
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}
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return NULL;
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}
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static VOID WINAPI UnloadDriver(DRIVER_OBJECT *driver)
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{
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minidriver *md;
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TRACE("Driver Unload\n");
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md = find_minidriver(driver);
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if (md)
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{
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if (md->DriverUnload)
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md->DriverUnload(md->minidriver.DriverObject);
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list_remove(&md->entry);
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HeapFree( GetProcessHeap(), 0, md );
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}
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}
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NTSTATUS WINAPI HidRegisterMinidriver(HID_MINIDRIVER_REGISTRATION *registration)
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{
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minidriver *driver;
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driver = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*driver));
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if (!driver)
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return STATUS_NO_MEMORY;
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driver->DriverUnload = registration->DriverObject->DriverUnload;
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registration->DriverObject->DriverUnload = UnloadDriver;
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registration->DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = HID_Device_ioctl;
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registration->DriverObject->MajorFunction[IRP_MJ_READ] = HID_Device_read;
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registration->DriverObject->MajorFunction[IRP_MJ_WRITE] = HID_Device_write;
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registration->DriverObject->MajorFunction[IRP_MJ_CREATE] = HID_Device_create;
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registration->DriverObject->MajorFunction[IRP_MJ_CLOSE] = HID_Device_close;
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driver->PNPDispatch = registration->DriverObject->MajorFunction[IRP_MJ_PNP];
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registration->DriverObject->MajorFunction[IRP_MJ_PNP] = HID_PNP_Dispatch;
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driver->AddDevice = registration->DriverObject->DriverExtension->AddDevice;
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registration->DriverObject->DriverExtension->AddDevice = PNP_AddDevice;
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driver->minidriver = *registration;
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list_add_tail(&minidriver_list, &driver->entry);
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return STATUS_SUCCESS;
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}
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static NTSTATUS WINAPI internalComplete(DEVICE_OBJECT *deviceObject, IRP *irp,
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void *context)
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{
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HANDLE event = context;
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SetEvent(event);
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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NTSTATUS call_minidriver(ULONG code, DEVICE_OBJECT *device, void *in_buff, ULONG in_size, void *out_buff, ULONG out_size)
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{
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IRP *irp;
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IO_STATUS_BLOCK irp_status;
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NTSTATUS status;
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HANDLE event = CreateEventA(NULL, FALSE, FALSE, NULL);
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irp = IoBuildDeviceIoControlRequest(code, device, in_buff, in_size,
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out_buff, out_size, TRUE, NULL, &irp_status);
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IoSetCompletionRoutine(irp, internalComplete, event, TRUE, TRUE, TRUE);
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status = IoCallDriver(device, irp);
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if (status == STATUS_PENDING)
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WaitForSingleObject(event, INFINITE);
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status = irp->IoStatus.u.Status;
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IoCompleteRequest(irp, IO_NO_INCREMENT );
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CloseHandle(event);
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return status;
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}
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