Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-30 14:52:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

crypto: scatterwalk - Remove scatterwalk_bytes_sglen

Browse Source 
This patch removes the now unused scatterwalk_bytes_sglen.  Anyone
using this out-of-tree should switch over to sg_nents_for_len.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2016-07-12 13:17:53 +08:00
parent 7c001a8650
commit 5506f53c7c
2 changed files with 0 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
crypto/scatterwalk.c
View File

@ -125,28 +125,6 @@ void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
}
EXPORT_SYMBOL_GPL(scatterwalk_map_and_copy);
int scatterwalk_bytes_sglen(struct scatterlist *sg, int num_bytes)
{
int offset = 0, n = 0;
/* num_bytes is too small */
if (num_bytes < sg->length)
return -1;
do {
offset += sg->length;
n++;
sg = sg_next(sg);
/* num_bytes is too large */
if (unlikely(!sg && (num_bytes < offset)))
return -1;
} while (sg && (num_bytes > offset));
return n;
}
EXPORT_SYMBOL_GPL(scatterwalk_bytes_sglen);
struct scatterlist *scatterwalk_ffwd(struct scatterlist dst[2],
struct scatterlist *src,
unsigned int len)

2
include/crypto/scatterwalk.h
View File

@ -92,8 +92,6 @@ void scatterwalk_done(struct scatter_walk *walk, int out, int more);
void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
unsigned int start, unsigned int nbytes, int out);
int scatterwalk_bytes_sglen(struct scatterlist *sg, int num_bytes);
struct scatterlist *scatterwalk_ffwd(struct scatterlist dst[2],
struct scatterlist *src,
unsigned int len);