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crypto: ccree - use crypto_shash_tfm_digest()

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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: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2020-05-01 22:31:08 -07:00 committed by Herbert Xu
parent f32b6775c7
commit 8cbb809794
1 changed files with 3 additions and 6 deletions
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9
drivers/crypto/ccree/cc_cipher.c
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@ -427,12 +427,9 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key,
int key_len = keylen >> 1;
int err;
SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm);
desc->tfm = ctx_p->shash_tfm;
err = crypto_shash_digest(desc, ctx_p->user.key, key_len,
ctx_p->user.key + key_len);
err = crypto_shash_tfm_digest(ctx_p->shash_tfm,
ctx_p->user.key, key_len,
ctx_p->user.key + key_len);
if (err) {
dev_err(dev, "Failed to hash ESSIV key.\n");
return err;