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crypto: essiv - 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.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2020-05-01 22:31:05 -07:00 committed by Herbert Xu
parent a221b33b65
commit 1306664fde
1 changed files with 1 additions and 3 deletions
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4
crypto/essiv.c
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@ -66,7 +66,6 @@ static int essiv_skcipher_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keylen)
{
struct essiv_tfm_ctx *tctx = crypto_skcipher_ctx(tfm);
SHASH_DESC_ON_STACK(desc, tctx->hash);
u8 salt[HASH_MAX_DIGESTSIZE];
int err;
@ -78,8 +77,7 @@ static int essiv_skcipher_setkey(struct crypto_skcipher *tfm,
if (err)
return err;
desc->tfm = tctx->hash;
err = crypto_shash_digest(desc, key, keylen, salt);
err = crypto_shash_tfm_digest(tctx->hash, key, keylen, salt);
if (err)
return err;