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crypto: rk3288 - use API helpers to setup fallback request

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Rather than setting up the fallback request by hand, use
ahash_request_set_callback() and ahash_request_set_crypt() API helpers
to properly setup the new request.

This also ensures that the completion callback is properly passed down
to the fallback algorithm, which avoids a crash with async fallbacks.

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ovidiu Panait 2025-04-07 15:36:02 +03:00 • committed by Herbert Xu
parent 2f0c856af6
commit cbc9f5bcfa
1 changed files with 27 additions and 25 deletions
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52
drivers/crypto/rockchip/rk3288_crypto_ahash.c
View file

@ -52,12 +52,11 @@ static int rk_ahash_digest_fb(struct ahash_request *areq)
algt->stat_fb++;
ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
rctx->fallback_req.base.flags = areq->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
rctx->fallback_req.nbytes = areq->nbytes;
rctx->fallback_req.src = areq->src;
rctx->fallback_req.result = areq->result;
ahash_request_set_callback(&rctx->fallback_req,
areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
areq->base.complete, areq->base.data);
ahash_request_set_crypt(&rctx->fallback_req, areq->src, areq->result,
areq->nbytes);
return crypto_ahash_digest(&rctx->fallback_req);
}
@ -124,8 +123,9 @@ static int rk_ahash_init(struct ahash_request *req)
struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
rctx->fallback_req.base.flags = req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
ahash_request_set_callback(&rctx->fallback_req,
req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
req->base.complete, req->base.data);
return crypto_ahash_init(&rctx->fallback_req);
}
@ -137,10 +137,10 @@ static int rk_ahash_update(struct ahash_request *req)
struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
rctx->fallback_req.base.flags = req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
rctx->fallback_req.nbytes = req->nbytes;
rctx->fallback_req.src = req->src;
ahash_request_set_callback(&rctx->fallback_req,
req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
req->base.complete, req->base.data);
ahash_request_set_crypt(&rctx->fallback_req, req->src, NULL, req->nbytes);
return crypto_ahash_update(&rctx->fallback_req);
}
@ -152,9 +152,10 @@ static int rk_ahash_final(struct ahash_request *req)
struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
rctx->fallback_req.base.flags = req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
rctx->fallback_req.result = req->result;
ahash_request_set_callback(&rctx->fallback_req,
req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
req->base.complete, req->base.data);
ahash_request_set_crypt(&rctx->fallback_req, NULL, req->result, 0);
return crypto_ahash_final(&rctx->fallback_req);
}
@ -166,12 +167,11 @@ static int rk_ahash_finup(struct ahash_request *req)
struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
rctx->fallback_req.base.flags = req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
rctx->fallback_req.nbytes = req->nbytes;
rctx->fallback_req.src = req->src;
rctx->fallback_req.result = req->result;
ahash_request_set_callback(&rctx->fallback_req,
req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
req->base.complete, req->base.data);
ahash_request_set_crypt(&rctx->fallback_req, req->src, req->result,
req->nbytes);
return crypto_ahash_finup(&rctx->fallback_req);
}
@ -183,8 +183,9 @@ static int rk_ahash_import(struct ahash_request *req, const void *in)
struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
rctx->fallback_req.base.flags = req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
ahash_request_set_callback(&rctx->fallback_req,
req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
req->base.complete, req->base.data);
return crypto_ahash_import(&rctx->fallback_req, in);
}
@ -196,8 +197,9 @@ static int rk_ahash_export(struct ahash_request *req, void *out)
struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
rctx->fallback_req.base.flags = req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP;
ahash_request_set_callback(&rctx->fallback_req,
req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
req->base.complete, req->base.data);
return crypto_ahash_export(&rctx->fallback_req, out);
}