crypto: mediatek - 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 22:31:10 -07:00 committed by Herbert Xu
parent 61c38e3a94
commit e0077ea8ee
1 changed files with 2 additions and 5 deletions

View File

@ -805,12 +805,9 @@ static int mtk_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
size_t ds = crypto_shash_digestsize(bctx->shash);
int err, i;
SHASH_DESC_ON_STACK(shash, bctx->shash);
shash->tfm = bctx->shash;
if (keylen > bs) {
err = crypto_shash_digest(shash, key, keylen, bctx->ipad);
err = crypto_shash_tfm_digest(bctx->shash, key, keylen,
bctx->ipad);
if (err)
return err;
keylen = ds;