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crypto: drbg - remove unnecessary (void*) conversions

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remove unnecessary void* type casting

v2:
Turn assignments less than 75 characters into one line.

Signed-off-by: Dong Chuanjian <chuanjian@nfschina.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dong Chuanjian 2022-08-11 15:17:33 +08:00 committed by Herbert Xu
parent b3b9fdf1a9
commit 66c8137f75
1 changed files with 5 additions and 7 deletions
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12
crypto/drbg.c
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@ -1703,7 +1703,7 @@ static int drbg_init_hash_kernel(struct drbg_state *drbg)
static int drbg_fini_hash_kernel(struct drbg_state *drbg) static int drbg_fini_hash_kernel(struct drbg_state *drbg)
{ {
struct sdesc *sdesc = (struct sdesc *)drbg->priv_data; struct sdesc *sdesc = drbg->priv_data;
if (sdesc) { if (sdesc) {
crypto_free_shash(sdesc->shash.tfm); crypto_free_shash(sdesc->shash.tfm);
kfree_sensitive(sdesc); kfree_sensitive(sdesc);
@ -1715,7 +1715,7 @@ static int drbg_fini_hash_kernel(struct drbg_state *drbg)
static void drbg_kcapi_hmacsetkey(struct drbg_state *drbg, static void drbg_kcapi_hmacsetkey(struct drbg_state *drbg,
const unsigned char *key) const unsigned char *key)
{ {
struct sdesc *sdesc = (struct sdesc *)drbg->priv_data; struct sdesc *sdesc = drbg->priv_data;
crypto_shash_setkey(sdesc->shash.tfm, key, drbg_statelen(drbg)); crypto_shash_setkey(sdesc->shash.tfm, key, drbg_statelen(drbg));
} }
@ -1723,7 +1723,7 @@ static void drbg_kcapi_hmacsetkey(struct drbg_state *drbg,
static int drbg_kcapi_hash(struct drbg_state *drbg, unsigned char *outval, static int drbg_kcapi_hash(struct drbg_state *drbg, unsigned char *outval,
const struct list_head *in) const struct list_head *in)
{ {
struct sdesc *sdesc = (struct sdesc *)drbg->priv_data; struct sdesc *sdesc = drbg->priv_data;
struct drbg_string *input = NULL; struct drbg_string *input = NULL;
crypto_shash_init(&sdesc->shash); crypto_shash_init(&sdesc->shash);
@ -1818,8 +1818,7 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
static void drbg_kcapi_symsetkey(struct drbg_state *drbg, static void drbg_kcapi_symsetkey(struct drbg_state *drbg,
const unsigned char *key) const unsigned char *key)
{ {
struct crypto_cipher *tfm = struct crypto_cipher *tfm = drbg->priv_data;
(struct crypto_cipher *)drbg->priv_data;
crypto_cipher_setkey(tfm, key, (drbg_keylen(drbg))); crypto_cipher_setkey(tfm, key, (drbg_keylen(drbg)));
} }
@ -1827,8 +1826,7 @@ static void drbg_kcapi_symsetkey(struct drbg_state *drbg,
static int drbg_kcapi_sym(struct drbg_state *drbg, unsigned char *outval, static int drbg_kcapi_sym(struct drbg_state *drbg, unsigned char *outval,
const struct drbg_string *in) const struct drbg_string *in)
{ {
struct crypto_cipher *tfm = struct crypto_cipher *tfm = drbg->priv_data;
(struct crypto_cipher *)drbg->priv_data;
/* there is only component in *in */ /* there is only component in *in */
BUG_ON(in->len < drbg_blocklen(drbg)); BUG_ON(in->len < drbg_blocklen(drbg));