| /********************************************************************** |
| * |
| * Copyright (C) Imagination Technologies Ltd. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful but, except |
| * as otherwise stated in writing, without any warranty; without even the |
| * implied warranty of merchantability or fitness for a particular purpose. |
| * See the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * The full GNU General Public License is included in this distribution in |
| * the file called "COPYING". |
| * |
| * Contact Information: |
| * Imagination Technologies Ltd. <[email protected]> |
| * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK |
| * |
| ******************************************************************************/ |
| |
| #ifndef __PVR_UACCESS_H__ |
| #define __PVR_UACCESS_H__ |
| |
| #include <linux/version.h> |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) |
| #ifndef AUTOCONF_INCLUDED |
| #include <linux/config.h> |
| #endif |
| #endif |
| |
| #include <asm/uaccess.h> |
| |
| static inline unsigned long pvr_copy_to_user(void __user *pvTo, const void *pvFrom, unsigned long ulBytes) |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) |
| if (access_ok(VERIFY_WRITE, pvTo, ulBytes)) |
| { |
| return __copy_to_user(pvTo, pvFrom, ulBytes); |
| } |
| return ulBytes; |
| #else |
| return copy_to_user(pvTo, pvFrom, ulBytes); |
| #endif |
| } |
| |
| static inline unsigned long pvr_copy_from_user(void *pvTo, const void __user *pvFrom, unsigned long ulBytes) |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) |
| |
| if (access_ok(VERIFY_READ, pvFrom, ulBytes)) |
| { |
| return __copy_from_user(pvTo, pvFrom, ulBytes); |
| } |
| return ulBytes; |
| #else |
| return copy_from_user(pvTo, pvFrom, ulBytes); |
| #endif |
| } |
| |
| #define pvr_put_user put_user |
| #define pvr_get_user get_user |
| |
| #endif |
| |
