Release 4.14 arch/m32r/lib/csum_partial_copy.c
/*
* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hirokazu Takata | 39 | 90.70% | 2 | 66.67% |
| Al Viro | 4 | 9.30% | 1 | 33.33% |
| Total | 43 | 100.00% | 3 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hirokazu Takata | 72 | 94.74% | 2 | 66.67% |
| Al Viro | 4 | 5.26% | 1 | 33.33% |
| Total | 76 | 100.00% | 3 | 100.00% |
EXPORT_SYMBOL(csum_partial_copy_from_user);
EXPORT_SYMBOL(csum_partial);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hirokazu Takata | 137 | 88.39% | 2 | 28.57% |
| Al Viro | 13 | 8.39% | 2 | 28.57% |
| Tim Schmielau | 3 | 1.94% | 1 | 14.29% |
| Pawel Sikora | 1 | 0.65% | 1 | 14.29% |
| Linus Torvalds | 1 | 0.65% | 1 | 14.29% |
| Total | 155 | 100.00% | 7 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.