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authorEric Biggers <ebiggers@google.com>2020-05-02 07:31:08 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2020-05-08 07:32:13 +0200
commit8cbb809794b14703c960b5e2941c9e7fd97b765a (patch)
tree5a41074cea54d527ab0a1d61c42b1cf337feab45 /drivers/crypto/ccree
parentcrypto: ccp - use crypto_shash_tfm_digest() (diff)
downloadlinux-8cbb809794b14703c960b5e2941c9e7fd97b765a.tar.xz
linux-8cbb809794b14703c960b5e2941c9e7fd97b765a.zip
crypto: ccree - 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: 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>
Diffstat (limited to 'drivers/crypto/ccree')
-rw-r--r--drivers/crypto/ccree/cc_cipher.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c
index a84335328f37..872ea3ff1c6b 100644
--- a/drivers/crypto/ccree/cc_cipher.c
+++ b/drivers/crypto/ccree/cc_cipher.c
@@ -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;