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| author | Eric Biggers <ebiggers@google.com> | 2020-05-01 22:31:07 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-05-08 15:32:13 +1000 |
| commit | f32b6775c795b125361ea9181ca4fcfa261a91dd (patch) | |
| tree | 86783de632953e41b8a2d72f50e62c055935ff97 /drivers/crypto/ccp | |
| parent | 7e3e48d86b7c96f12896dd7111e4e5ae51c1b7da (diff) | |
| download | linux-f32b6775c795b125361ea9181ca4fcfa261a91dd.tar.gz linux-f32b6775c795b125361ea9181ca4fcfa261a91dd.tar.bz2 linux-f32b6775c795b125361ea9181ca4fcfa261a91dd.zip | |
crypto: ccp - 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: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp')
| -rw-r--r-- | drivers/crypto/ccp/ccp-crypto-sha.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c index 474e6f1a6a84..b0cc2bd73af8 100644 --- a/drivers/crypto/ccp/ccp-crypto-sha.c +++ b/drivers/crypto/ccp/ccp-crypto-sha.c @@ -272,9 +272,6 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key, { struct ccp_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm)); struct crypto_shash *shash = ctx->u.sha.hmac_tfm; - - SHASH_DESC_ON_STACK(sdesc, shash); - unsigned int block_size = crypto_shash_blocksize(shash); unsigned int digest_size = crypto_shash_digestsize(shash); int i, ret; @@ -289,10 +286,8 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key, if (key_len > block_size) { /* Must hash the input key */ - sdesc->tfm = shash; - - ret = crypto_shash_digest(sdesc, key, key_len, - ctx->u.sha.key); + ret = crypto_shash_tfm_digest(shash, key, key_len, + ctx->u.sha.key); if (ret) return -EINVAL; |