diff options
| author | Julia Lawall <julia@diku.dk> | 2010-05-26 02:36:51 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-26 02:36:51 +0200 |
| commit | 8db050786aaf7a43f4c7a900a103f99ea0fb493f (patch) | |
| tree | c9f270bd1567a09fff432b0d733611174b81251c | |
| parent | crypto: des_s390: use generic weak key check (diff) | |
| download | linux-8db050786aaf7a43f4c7a900a103f99ea0fb493f.tar.xz linux-8db050786aaf7a43f4c7a900a103f99ea0fb493f.zip | |
crypto: Use ERR_CAST
Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)). The former makes more
clear what is the purpose of the operation, which otherwise looks like a
no-op.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
type T;
T x;
identifier f;
@@
T f (...) { <+...
- ERR_PTR(PTR_ERR(x))
+ x
...+> }
@@
expression x;
@@
- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/authenc.c | 2 | ||||
| -rw-r--r-- | crypto/ctr.c | 2 | ||||
| -rw-r--r-- | crypto/xts.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c index b9884ee0adb6..a5a22cfcd07b 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -616,7 +616,7 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb) auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH, CRYPTO_ALG_TYPE_AHASH_MASK); if (IS_ERR(auth)) - return ERR_PTR(PTR_ERR(auth)); + return ERR_CAST(auth); auth_base = &auth->base; diff --git a/crypto/ctr.c b/crypto/ctr.c index 6c3bfabb9d1d..4ca7222cfeb6 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -185,7 +185,7 @@ static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb) alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER, CRYPTO_ALG_TYPE_MASK); if (IS_ERR(alg)) - return ERR_PTR(PTR_ERR(alg)); + return ERR_CAST(alg); /* Block size must be >= 4 bytes. */ err = -EINVAL; diff --git a/crypto/xts.c b/crypto/xts.c index d87b0f3102c3..555ecaab1e54 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -224,7 +224,7 @@ static struct crypto_instance *alloc(struct rtattr **tb) alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER, CRYPTO_ALG_TYPE_MASK); if (IS_ERR(alg)) - return ERR_PTR(PTR_ERR(alg)); + return ERR_CAST(alg); inst = crypto_alloc_instance("xts", alg); if (IS_ERR(inst)) |