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crypto: use ERR_CAST

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Replace PTR_ERR followed by ERR_PTR by ERR_CAST, to be more concise.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression err,x;
@@
-       err = PTR_ERR(x);
        if (IS_ERR(x))
-                return ERR_PTR(err);
+                return ERR_CAST(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Julia Lawall 2013-01-22 12:29:26 +01:00 • committed by Herbert Xu
commit 3e8afe35c3
1 changed files with 27 additions and 59 deletions
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3
crypto/ctr.c
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@ -334,9 +334,8 @@ static struct crypto_instance *crypto_rfc3686_alloc(struct rtattr **tb)
alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_BLKCIPHER,
CRYPTO_ALG_TYPE_MASK);
err = PTR_ERR(alg);
if (IS_ERR(alg))
return ERR_PTR(err);
return ERR_CAST(alg);
/* We only support 16-byte blocks. */
err = -EINVAL;