Message ID | 20150820090240.GA27976@gondor.apana.org.au (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Herbert Xu |
Headers | show |
diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 57c8a6e..8e920b4 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -63,6 +63,11 @@ struct ahash_request { void *__ctx[] CRYPTO_MINALIGN_ATTR; }; +#define AHASH_REQUEST_ON_STACK(name, ahash) \ + char __##name##_desc[sizeof(struct ahash_request) + \ + crypto_ahash_reqsize(ahash)] CRYPTO_MINALIGN_ATTR; \ + struct ahash_request *name = (void *)__##name##_desc + /** * struct ahash_alg - asynchronous message digest definition * @init: Initialize the transformation context. Intended only to initialize the
This patch adds the helper AHASH_REQUEST_ON_STACK for those users of ahash that are synchronous only. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- include/crypto/hash.h | 5 +++++ 1 file changed, 5 insertions(+)