[PATCH v6 18/18] crypto: Remove AHASH_REQUEST_ON_STACK

Kees Cook
2018-07-24T16:49:36Z

All users of AHASH_REQUEST_ON_STACK have been removed from the kernel, so
drop it entirely so no VLAs get reintroduced by future users.

Signed-off-by: Kees Cook <keescook@chromium.org>
---
include/crypto/hash.h | 5 -----
1 file changed, 5 deletions(-)

diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 21587011ab0f..fca3e28c77a4 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -64,11 +64,6 @@ 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: **[mandatory]** Initialize the transformation context. Intended only to initialize the
--
2.17.1