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-rw-r--r--arch/frv/kernel/uaccess.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/frv/kernel/uaccess.c b/arch/frv/kernel/uaccess.c
deleted file mode 100644
index 8b360b4222a5..000000000000
--- a/arch/frv/kernel/uaccess.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* uaccess.c: userspace access functions
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/uaccess.h>
-
-/*****************************************************************************/
-/*
- * copy a null terminated string from userspace
- */
-long strncpy_from_user(char *dst, const char __user *src, long count)
-{
- unsigned long max;
- char *p, ch;
- long err = -EFAULT;
-
- BUG_ON(count < 0);
-
- p = dst;
-
-#ifndef CONFIG_MMU
- if ((unsigned long) src < memory_start)
- goto error;
-#endif
-
- if ((unsigned long) src >= get_addr_limit())
- goto error;
-
- max = get_addr_limit() - (unsigned long) src;
- if ((unsigned long) count > max) {
- memset(dst + max, 0, count - max);
- count = max;
- }
-
- err = 0;
- for (; count > 0; count--, p++, src++) {
- __get_user_asm(err, ch, src, "ub", "=r");
- if (err < 0)
- goto error;
- if (!ch)
- break;
- *p = ch;
- }
-
- err = p - dst; /* return length excluding NUL */
-
- error:
- if (count > 0)
- memset(p, 0, count); /* clear remainder of buffer [security] */
-
- return err;
-
-} /* end strncpy_from_user() */
-
-EXPORT_SYMBOL(strncpy_from_user);
-
-/*****************************************************************************/
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-long strnlen_user(const char __user *src, long count)
-{
- const char __user *p;
- long err = 0;
- char ch;
-
- BUG_ON(count < 0);
-
-#ifndef CONFIG_MMU
- if ((unsigned long) src < memory_start)
- return 0;
-#endif
-
- if ((unsigned long) src >= get_addr_limit())
- return 0;
-
- for (p = src; count > 0; count--, p++) {
- __get_user_asm(err, ch, p, "ub", "=r");
- if (err < 0)
- return 0;
- if (!ch)
- break;
- }
-
- return p - src + 1; /* return length including NUL */
-
-} /* end strnlen_user() */
-
-EXPORT_SYMBOL(strnlen_user);