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author | Julia Lawall <julia@diku.dk> | 2010-05-26 10:36:51 +1000 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-26 10:36:51 +1000 |
commit | 006129e988ed658973aedc640016b121428e525a (patch) | |
tree | 200061789e7ea8a453a4c6dfde7c4a18bdc8adc5 /crypto/xts.c | |
parent | 2ed197f45bd15e08e100a839dcd85080f1f63e82 (diff) | |
download | linux-crypto-006129e988ed658973aedc640016b121428e525a.tar.gz linux-crypto-006129e988ed658973aedc640016b121428e525a.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>
Diffstat (limited to '')
-rw-r--r-- | crypto/xts.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/xts.c b/crypto/xts.c index d87b0f31..555ecaab 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)) |