crypto: scatterwalk - Remove scatterwalk_bytes_sglen

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>

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index ea5815c..03ca4ae 100644 (file)
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -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)

diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 35f99b6..7e1a336 100644 (file)
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -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);