diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1998-09-19 19:15:08 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1998-09-19 19:15:08 +0000 |
| commit | 03ba4131783cc9e872f8bb26a03f15bc11f27564 (patch) | |
| tree | 88db8dba75ae06ba3bad08e42c5e52efc162535c /arch/mips/lib/csum_partial_copy.c | |
| parent | 257730f99381dd26e10b832fce4c94cae7ac1176 (diff) | |
- Merge with Linux 2.1.121.
- Bugfixes.
Diffstat (limited to 'arch/mips/lib/csum_partial_copy.c')
| -rw-r--r-- | arch/mips/lib/csum_partial_copy.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/mips/lib/csum_partial_copy.c b/arch/mips/lib/csum_partial_copy.c index ec731b800..5d810b04f 100644 --- a/arch/mips/lib/csum_partial_copy.c +++ b/arch/mips/lib/csum_partial_copy.c @@ -14,7 +14,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * $Id: csum_partial_copy.c,v 1.1 1996/07/03 14:03:47 ralf Exp $ + * $Id: csum_partial_copy.c,v 1.1 1998/07/10 01:14:49 ralf Exp $ */ #include <net/checksum.h> #include <linux/types.h> @@ -46,7 +46,6 @@ unsigned int csum_partial_copy_from_user (const char *src, char *dst, int len, unsigned int sum, int *err_ptr) { - int *dst_err_ptr=NULL; int missing; missing = copy_from_user(dst, src, len); @@ -57,3 +56,20 @@ unsigned int csum_partial_copy_from_user (const char *src, char *dst, return csum_partial(dst, len, sum); } + +/* + * Copy to userspace and compute checksum. + */ +unsigned int csum_partial_copy_to_user (const char *src, char *dst, + int len, unsigned int sum, + int *err_ptr) +{ + sum = csum_partial(src, len, sum); + + if (copy_to_user(dst, src, len)) { + *err_ptr = -EFAULT; + return sum; + } + + return sum; +} |