Commit 8db050786aaf7a43f4c7a900a103f99ea0fb493f

Authored by Julia Lawall
Committed by Herbert Xu
1 parent 1efbd15c3b

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>

Showing 3 changed files with 3 additions and 3 deletions Side-by-side Diff

... ... @@ -616,7 +616,7 @@
616 616 auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH,
617 617 CRYPTO_ALG_TYPE_AHASH_MASK);
618 618 if (IS_ERR(auth))
619   - return ERR_PTR(PTR_ERR(auth));
  619 + return ERR_CAST(auth);
620 620  
621 621 auth_base = &auth->base;
622 622  
... ... @@ -185,7 +185,7 @@
185 185 alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER,
186 186 CRYPTO_ALG_TYPE_MASK);
187 187 if (IS_ERR(alg))
188   - return ERR_PTR(PTR_ERR(alg));
  188 + return ERR_CAST(alg);
189 189  
190 190 /* Block size must be >= 4 bytes. */
191 191 err = -EINVAL;
... ... @@ -224,7 +224,7 @@
224 224 alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER,
225 225 CRYPTO_ALG_TYPE_MASK);
226 226 if (IS_ERR(alg))
227   - return ERR_PTR(PTR_ERR(alg));
  227 + return ERR_CAST(alg);
228 228  
229 229 inst = crypto_alloc_instance("xts", alg);
230 230 if (IS_ERR(inst))