| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 17 | long 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 | } |