blob: d7436aacd26f0feeb88600770474912c9220522e [file] [log] [blame]
* Copyright (C) 2001 Chris Emerson (
* Copyright (C) 2001, 2002 Jeff Dike (
* Licensed under the GPL
/* These are here rather than tt/uaccess.c because skas mode needs them in
* order to do SIGBUS recovery when a tmpfs mount runs out of room.
#include <linux/string.h>
#include "os.h"
void __do_copy(void *to, const void *from, int n)
memcpy(to, from, n);
int __do_copy_to_user(void *to, const void *from, int n,
void **fault_addr, jmp_buf **fault_catcher)
unsigned long fault;
int faulted;
fault = __do_user_copy(to, from, n, fault_addr, fault_catcher,
__do_copy, &faulted);
if(!faulted) return(0);
else return(n - (fault - (unsigned long) to));