diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c')
-rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c index d70b105dcf..753f67a36d 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c @@ -30,33 +30,16 @@ static int sun8i_ss_hashkey(struct sun8i_ss_hash_tfm_ctx *tfmctx, const u8 *key, unsigned int keylen) { struct crypto_shash *xtfm; - struct shash_desc *sdesc; - size_t len; - int ret = 0; + int ret; xtfm = crypto_alloc_shash("sha1", 0, CRYPTO_ALG_NEED_FALLBACK); if (IS_ERR(xtfm)) return PTR_ERR(xtfm); - len = sizeof(*sdesc) + crypto_shash_descsize(xtfm); - sdesc = kmalloc(len, GFP_KERNEL); - if (!sdesc) { - ret = -ENOMEM; - goto err_hashkey_sdesc; - } - sdesc->tfm = xtfm; - - ret = crypto_shash_init(sdesc); - if (ret) { - dev_err(tfmctx->ss->dev, "shash init error ret=%d\n", ret); - goto err_hashkey; - } - ret = crypto_shash_finup(sdesc, key, keylen, tfmctx->key); + ret = crypto_shash_tfm_digest(xtfm, key, keylen, tfmctx->key); if (ret) - dev_err(tfmctx->ss->dev, "shash finup error\n"); -err_hashkey: - kfree(sdesc); -err_hashkey_sdesc: + dev_err(tfmctx->ss->dev, "shash digest error ret=%d\n", ret); + crypto_free_shash(xtfm); return ret; } |