LXR linux/arch/um/kernel/syscall.c

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   4 */
   5
   6#include <linux/file.h>
   7#include <linux/fs.h>
   8#include <linux/mm.h>
   9#include <linux/sched.h>
  10#include <linux/utsname.h>
  11#include <linux/syscalls.h>
  12#include <asm/current.h>
  13#include <asm/mman.h>
  14#include <linux/uaccess.h>
  15#include <asm/unistd.h>
  16
  17long old_mmap(unsigned long addr, unsigned long len,
  18              unsigned long prot, unsigned long flags,
  19              unsigned long fd, unsigned long offset)
  20{
  21        long err = -EINVAL;
  22        if (offset & ~PAGE_MASK)
  23                goto out;
  24
  25        err = ksys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
  26 out:
  27        return err;
  28}
  29