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crypto: user - Remove crypto_lookup_skcipher call 

As there are no more kernel users of built-in IV generators we
can remove the special lookup for skciphers.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2016-07-12 13:17:49 +08:00
parent 0605c41cc5
commit 6cf80a2965
1 changed files with 1 additions and 36 deletions
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37
crypto/crypto_user.c
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@ -378,32 +378,6 @@ drop_alg:
return err;
}
static struct crypto_alg *crypto_user_skcipher_alg(const char *name, u32 type,
u32 mask)
{
int err;
struct crypto_alg *alg;
type = crypto_skcipher_type(type);
mask = crypto_skcipher_mask(mask);
for (;;) {
alg = crypto_lookup_skcipher(name, type, mask);
if (!IS_ERR(alg))
return alg;
err = PTR_ERR(alg);
if (err != -EAGAIN)
break;
if (fatal_signal_pending(current)) {
err = -EINTR;
break;
}
}
return ERR_PTR(err);
}
static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh,
struct nlattr **attrs)
{
@ -436,16 +410,7 @@ static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh,
else
name = p->cru_name;
switch (p->cru_type & p->cru_mask & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_GIVCIPHER:
case CRYPTO_ALG_TYPE_BLKCIPHER:
case CRYPTO_ALG_TYPE_ABLKCIPHER:
alg = crypto_user_skcipher_alg(name, p->cru_type, p->cru_mask);
break;
default:
alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask);
}
alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask);
if (IS_ERR(alg))
return PTR_ERR(alg);