[v3,2/2] crypto: starfive - Fix nent assignment in rsa dec

Commit Message

Jia Jie Ho June 26, 2024, 1:40 a.m. UTC

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 <[e-mail]>
---
 drivers/crypto/starfive/jh7110-cryp.h | 1 -
 drivers/crypto/starfive/jh7110-rsa.c  | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

Patch

diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h
index 85c65c6c0327..5ed4ba5da7f9 100644
--- a/drivers/crypto/starfive/jh7110-cryp.h
+++ b/drivers/crypto/starfive/jh7110-cryp.h
@@ -218,7 +218,6 @@  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;
diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c
index 59f5979e9360..a778c4846025 100644
--- a/drivers/crypto/starfive/jh7110-rsa.c
+++ b/drivers/crypto/starfive/jh7110-rsa.c
@@ -259,7 +259,7 @@  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) {
@@ -309,7 +309,6 @@  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);