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crypto: doc - document correct return value for request allocation 

Signed-off-by: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Eric Biggers 2016-04-02 10:54:56 -05:00 committed by Herbert Xu
parent 043809d8d2
commit 6eae29e7e7
5 changed files with 7 additions and 11 deletions
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6
Documentation/DocBook/crypto-API.tmpl
View File

@ -1936,9 +1936,9 @@ static int test_skcipher(void)
}
req = skcipher_request_alloc(skcipher, GFP_KERNEL);
if (IS_ERR(req)) {
pr_info("could not allocate request queue\n");
ret = PTR_ERR(req);
if (!req) {
pr_info("could not allocate skcipher request\n");
ret = -ENOMEM;
goto out;
}

3
include/crypto/aead.h
View File

@ -405,8 +405,7 @@ static inline void aead_request_set_tfm(struct aead_request *req,
* encrypt and decrypt API calls. During the allocation, the provided aead
* handle is registered in the request data structure.
*
* Return: allocated request handle in case of success; IS_ERR() is true in case
* of an error, PTR_ERR() returns the error code.
* Return: allocated request handle in case of success, or NULL if out of memory
*/
static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,
gfp_t gfp)

3
include/crypto/hash.h
View File

@ -547,8 +547,7 @@ static inline void ahash_request_set_tfm(struct ahash_request *req,
* the allocation, the provided ahash handle
* is registered in the request data structure.
*
* Return: allocated request handle in case of success; IS_ERR() is true in case
* of an error, PTR_ERR() returns the error code.
* Return: allocated request handle in case of success, or NULL if out of memory
*/
static inline struct ahash_request *ahash_request_alloc(
struct crypto_ahash *tfm, gfp_t gfp)

3
include/crypto/skcipher.h
View File

@ -425,8 +425,7 @@ static inline struct skcipher_request *skcipher_request_cast(
* encrypt and decrypt API calls. During the allocation, the provided skcipher
* handle is registered in the request data structure.
*
* Return: allocated request handle in case of success; IS_ERR() is true in case
* of an error, PTR_ERR() returns the error code.
* Return: allocated request handle in case of success, or NULL if out of memory
*/
static inline struct skcipher_request *skcipher_request_alloc(
struct crypto_skcipher *tfm, gfp_t gfp)

3
include/linux/crypto.h
View File

@ -948,8 +948,7 @@ static inline struct ablkcipher_request *ablkcipher_request_cast(
* encrypt and decrypt API calls. During the allocation, the provided ablkcipher
* handle is registered in the request data structure.
*
* Return: allocated request handle in case of success; IS_ERR() is true in case
* of an error, PTR_ERR() returns the error code.
* Return: allocated request handle in case of success, or NULL if out of memory
*/
static inline struct ablkcipher_request *ablkcipher_request_alloc(
struct crypto_ablkcipher *tfm, gfp_t gfp)