diff options
Diffstat (limited to 'arch/m32r/lib/csum_partial_copy.c')
| -rw-r--r-- | arch/m32r/lib/csum_partial_copy.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/m32r/lib/csum_partial_copy.c b/arch/m32r/lib/csum_partial_copy.c deleted file mode 100644 index b3cd59c12b8e..000000000000 --- a/arch/m32r/lib/csum_partial_copy.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * M32R specific IP/TCP/UDP checksumming routines - * (Some code taken from MIPS architecture) - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1994, 1995 Waldorf Electronics GmbH - * Copyright (C) 1998, 1999 Ralf Baechle - * Copyright (C) 2001-2005 Hiroyuki Kondo, Hirokazu Takata - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/string.h> - -#include <net/checksum.h> -#include <asm/byteorder.h> -#include <linux/uaccess.h> - -/* - * Copy while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum) -{ - sum = csum_partial(src, len, sum); - memcpy(dst, src, len); - - return sum; -} -EXPORT_SYMBOL(csum_partial_copy_nocheck); - -/* - * Copy from userspace and compute checksum. If we catch an exception - * then zero the rest of the buffer. - */ -__wsum -csum_partial_copy_from_user (const void __user *src, void *dst, - int len, __wsum sum, int *err_ptr) -{ - int missing; - - missing = copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } - - return csum_partial(dst, len-missing, sum); -} -EXPORT_SYMBOL(csum_partial_copy_from_user); -EXPORT_SYMBOL(csum_partial); |