Commit 7e3e48d8 authored by Eric Biggers's avatar Eric Biggers Committed by Herbert Xu
Browse files

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: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1306664f

drivers/crypto/axis/artpec6_crypto.c

+3 −7
Original line number Diff line number Diff line
@@ -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,



		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;