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| author | LABBE Corentin <clabbe.montjoie@gmail.com> | 2015-09-18 12:57:09 (GMT) |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-09-21 15:05:53 (GMT) |
| commit | 1f6d79d7e011ff0b85feaecf0aed0b3949eaa1f2 (patch) | |
| tree | 8e87399e9832df1df43332cb485aee131e736b87 | |
| parent | be6ec98ddb6749bba0fc7f67bd2f89a2396805de (diff) | |
| download | linux-1f6d79d7e011ff0b85feaecf0aed0b3949eaa1f2.tar.xz | |
crypto: bfin_crc - replace sg_count by sg_nents
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.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/bfin_crc.c | 25 |
1 files 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; |