The sg_count function in bfin_crc.c is the same function as sg_nents.
Remove the duplicate code and use sg_nents() instead.
Signed-off-by: LABBE Corentin <clabbe.montj...@gmail.com>
---
drivers/crypto/bfin_crc.c | 25 +++----------------------
1 file changed, 3 insertions(+), 22 deletions(-)
diff --git a/drivers/crypto/bfin_crc.c b/drivers/crypto/bfin_crc.c
index 2f0b333..95b7396 100644
--- a/drivers/crypto/bfin_crc.c
+++ b/drivers/crypto/bfin_crc.c
@@ -96,26 +96,6 @@ struct bfin_crypto_crc_ctx {
u32 key;
};
-
-/*
- * derive number of elements in scatterlist
- */
-static int sg_count(struct scatterlist *sg_list)
-{
- struct scatterlist *sg = sg_list;
- int sg_nents = 1;
-
- if (sg_list == NULL)
- return 0;
-
- while (!sg_is_last(sg)) {
- sg_nents++;
- sg = sg_next(sg);
- }
-
- return sg_nents;
-}
-
/*
* get element in scatter list by given index
*/
@@ -160,7 +140,7 @@ static int bfin_crypto_crc_init(struct ahash_request *req)
}
spin_unlock_bh(&crc_list.lock);
- if (sg_count(req->src) > CRC_MAX_DMA_DESC) {
+ if (sg_nents(req->src) > CRC_MAX_DMA_DESC) {
dev_dbg(ctx->crc->dev, "init: requested sg list is too big >
%d\n",
CRC_MAX_DMA_DESC);
return -EINVAL;
@@ -376,7 +356,8 @@ static int bfin_crypto_crc_handle_queue(struct
bfin_crypto_crc *crc,
ctx->sg = req->src;
/* Chop crc buffer size to multiple of 32 bit */
- nsg = ctx->sg_nents = sg_count(ctx->sg);
+ nsg = sg_nents(ctx->sg);
+ ctx->sg_nents = nsg;
ctx->sg_buflen = ctx->buflast_len + req->nbytes;
ctx->bufnext_len = ctx->sg_buflen % 4;
ctx->sg_buflen &= ~0x3;
--
2.4.6
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