From: Jia Jie Ho Date: Wed, 26 Jun 2024 01:40:43 +0000 (+0800) Subject: crypto: starfive - Fix nent assignment in rsa dec X-Git-Tag: v6.6.51~28 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=37b65ea6c7adcb98449e47d27c55b388c0d3b705;p=thirdparty%2Fkernel%2Fstable.git crypto: starfive - Fix nent assignment in rsa dec [ Upstream commit 8323c036789b8b4a61925fce439a89dba17b7f2f ] 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 Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h index f386e98978969..607f70292b215 100644 --- a/drivers/crypto/starfive/jh7110-cryp.h +++ b/drivers/crypto/starfive/jh7110-cryp.h @@ -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; diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c index fbc06f8ee95f7..1db9a3d02848b 100644 --- a/drivers/crypto/starfive/jh7110-rsa.c +++ b/drivers/crypto/starfive/jh7110-rsa.c @@ -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);