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crypto: starfive - Skip unneeded fallback allocation

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Skip sw fallback allocation if RSA module failed to get device handle.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jia Jie Ho 2024-04-29 14:06:38 +08:00 committed by Herbert Xu
parent 3d12d90efa
commit 25ca4a85e9
1 changed files with 4 additions and 6 deletions
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10
drivers/crypto/starfive/jh7110-rsa.c
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@ -537,16 +537,14 @@ static int starfive_rsa_init_tfm(struct crypto_akcipher *tfm)
{
struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm);
ctx->cryp = starfive_cryp_find_dev(ctx);
if (!ctx->cryp)
return -ENODEV;
ctx->akcipher_fbk = crypto_alloc_akcipher("rsa-generic", 0, 0);
if (IS_ERR(ctx->akcipher_fbk))
return PTR_ERR(ctx->akcipher_fbk);
ctx->cryp = starfive_cryp_find_dev(ctx);
if (!ctx->cryp) {
crypto_free_akcipher(ctx->akcipher_fbk);
return -ENODEV;
}
akcipher_set_reqsize(tfm, sizeof(struct starfive_cryp_request_ctx) +
sizeof(struct crypto_akcipher) + 32);