diff options
Diffstat (limited to 'arch/mips/lib/csum_partial_copy.c')
| -rw-r--r-- | arch/mips/lib/csum_partial_copy.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/mips/lib/csum_partial_copy.c b/arch/mips/lib/csum_partial_copy.c deleted file mode 100644 index 6e9f366f961..00000000000 --- a/arch/mips/lib/csum_partial_copy.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * 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 - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/byteorder.h> -#include <asm/string.h> -#include <asm/uaccess.h> -#include <net/checksum.h> - -/* - * copy while checksumming, otherwise like csum_partial - */ -unsigned int csum_partial_copy_nocheck(const unsigned char *src, - unsigned char *dst, int len, unsigned int sum) -{ - /* - * It's 2:30 am and I don't feel like doing it real ... - * This is lots slower than the real thing (tm) - */ - sum = csum_partial(src, len, sum); - memcpy(dst, src, len); - - return sum; -} - -/* - * Copy from userspace and compute checksum. If we catch an exception - * then zero the rest of the buffer. - */ -unsigned int csum_partial_copy_from_user (const unsigned char __user *src, - unsigned char *dst, int len, unsigned int sum, int *err_ptr) -{ - int missing; - - might_sleep(); - missing = copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } - - return csum_partial(dst, len, sum); -} |