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linux-next/arch/um/kernel/syscall.c
Alex Dewar 0d1fb0a47c um: Add SPDX headers to files in arch/um/kernel/
Convert files to use SPDX header. All files are licensed under the
GPLv2.

Signed-off-by: Alex Dewar <alex.dewar@gmx.co.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
2019-09-15 21:37:17 +02:00

29 lines
669 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/utsname.h>
#include <linux/syscalls.h>
#include <asm/current.h>
#include <asm/mman.h>
#include <linux/uaccess.h>
#include <asm/unistd.h>
long old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long offset)
{
long err = -EINVAL;
if (offset & ~PAGE_MASK)
goto out;
err = ksys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
out:
return err;
}