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crypto: starfive - Fix nent assignment in rsa dec

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[ Upstream commit 8323c03678 ]

Missing src scatterlist nent assignment in rsa decrypt function.
Removing all unneeded assignment and use nents value from req->src
instead.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jia Jie Ho 2024-06-26 09:40:43 +08:00 committed by Greg Kroah-Hartman
parent 02b3f88609
commit 37b65ea6c7
2 changed files with 1 additions and 3 deletions
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1
drivers/crypto/starfive/jh7110-cryp.h
View file

@ -213,7 +213,6 @@ struct starfive_cryp_request_ctx {
struct scatterlist *out_sg;
struct ahash_request ahash_fbk_req;
size_t total;
size_t nents;
unsigned int blksize;
unsigned int digsize;
unsigned long in_sg_len;

3
drivers/crypto/starfive/jh7110-rsa.c
View file

@ -282,7 +282,7 @@ static int starfive_rsa_enc_core(struct starfive_cryp_ctx *ctx, int enc)
memset(rctx->rsa_data, 0, shift);
}
rctx->total = sg_copy_to_buffer(rctx->in_sg, rctx->nents,
rctx->total = sg_copy_to_buffer(rctx->in_sg, sg_nents(rctx->in_sg),
rctx->rsa_data + shift, rctx->total);
if (enc) {
@ -333,7 +333,6 @@ static int starfive_rsa_enc(struct akcipher_request *req)
rctx->in_sg = req->src;
rctx->out_sg = req->dst;
rctx->total = req->src_len;
rctx->nents = sg_nents(rctx->in_sg);
ctx->rctx = rctx;
return starfive_rsa_enc_core(ctx, 1);