diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /crypto/ablkcipher.c | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
Diffstat (limited to 'crypto/ablkcipher.c')
| -rw-r--r-- | crypto/ablkcipher.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index db201bca1..b788f169c 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -454,7 +454,7 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type, alg->setkey : setkey; crt->encrypt = alg->encrypt; crt->decrypt = alg->decrypt; - crt->givencrypt = alg->givencrypt; + crt->givencrypt = alg->givencrypt ?: no_givdecrypt; crt->givdecrypt = alg->givdecrypt ?: no_givdecrypt; crt->base = __crypto_ablkcipher_cast(tfm); crt->ivsize = alg->ivsize; @@ -586,6 +586,13 @@ static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask) if (!tmpl) goto kill_larval; + if (tmpl->create) { + err = tmpl->create(tmpl, tb); + if (err) + goto put_tmpl; + goto ok; + } + inst = tmpl->alloc(tb); err = PTR_ERR(inst); if (IS_ERR(inst)) @@ -597,6 +604,7 @@ static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask) goto put_tmpl; } +ok: /* Redo the lookup to use the instance we just registered. */ err = -EAGAIN; @@ -636,7 +644,7 @@ struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask) if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_GIVCIPHER) { - if ((alg->cra_flags ^ type ^ ~mask) & CRYPTO_ALG_TESTED) { + if (~alg->cra_flags & (type ^ ~mask) & CRYPTO_ALG_TESTED) { crypto_mod_put(alg); alg = ERR_PTR(-ENOENT); } |