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crypto: artpec6 - use crypto_shash_tfm_digest() 

Instead of manually allocating a 'struct shash_desc' on the stack and
calling crypto_shash_digest(), switch to using the new helper function
crypto_shash_tfm_digest() which does this for us.

Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Lars Persson <lars.persson@axis.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
alistair/sunxi64-5.8
Eric Biggers 2020-05-01 22:31:06 -07:00 committed by Herbert Xu
parent 1306664fde
commit 7e3e48d86b
1 changed files with 3 additions and 7 deletions
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10
drivers/crypto/axis/artpec6_crypto.c
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@ -2239,16 +2239,12 @@ artpec6_crypto_hash_set_key(struct crypto_ahash *tfm,
blocksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
if (keylen > blocksize) {
SHASH_DESC_ON_STACK(hdesc, tfm_ctx->child_hash);
hdesc->tfm = tfm_ctx->child_hash;
tfm_ctx->hmac_key_length = blocksize;
ret = crypto_shash_digest(hdesc, key, keylen,
tfm_ctx->hmac_key);
ret = crypto_shash_tfm_digest(tfm_ctx->child_hash, key, keylen,
tfm_ctx->hmac_key);
if (ret)
return ret;
} else {
memcpy(tfm_ctx->hmac_key, key, keylen);
tfm_ctx->hmac_key_length = keylen;