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| author | Dan Carpenter <error27@gmail.com> | 2010-03-24 21:35:23 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-03-24 21:35:23 +0800 |
| commit | 80a6d7db9fa06c29c89ccce0374870ac64a81d3f (patch) | |
| tree | 97f523a9d5e18028c37e06bbd32d538c9328a150 /crypto/pcrypt.c | |
| parent | 304a204ec9d4b9b31f3491e736bfbba44feaa1b0 (diff) | |
| download | lwn-80a6d7db9fa06c29c89ccce0374870ac64a81d3f.tar.gz lwn-80a6d7db9fa06c29c89ccce0374870ac64a81d3f.zip | |
crypto: pcrypt - Handle crypto_get_attr_type errors
I was concerned about the error handling for crypto_get_attr_type() in
pcrypt_alloc_aead(). Steffen Klassert pointed out that we could simply
avoid calling crypto_get_attr_type() if we passed the type and mask as a
parameters.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/pcrypt.c')
| -rw-r--r-- | crypto/pcrypt.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 80201241b698..247178cb98ec 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -315,16 +315,13 @@ out_free_inst: goto out; } -static struct crypto_instance *pcrypt_alloc_aead(struct rtattr **tb) +static struct crypto_instance *pcrypt_alloc_aead(struct rtattr **tb, + u32 type, u32 mask) { struct crypto_instance *inst; struct crypto_alg *alg; - struct crypto_attr_type *algt; - - algt = crypto_get_attr_type(tb); - alg = crypto_get_attr_alg(tb, algt->type, - (algt->mask & CRYPTO_ALG_TYPE_MASK)); + alg = crypto_get_attr_alg(tb, type, (mask & CRYPTO_ALG_TYPE_MASK)); if (IS_ERR(alg)) return ERR_CAST(alg); @@ -365,7 +362,7 @@ static struct crypto_instance *pcrypt_alloc(struct rtattr **tb) switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) { case CRYPTO_ALG_TYPE_AEAD: - return pcrypt_alloc_aead(tb); + return pcrypt_alloc_aead(tb, algt->type, algt->mask); } return ERR_PTR(-EINVAL); |