blob: d6fd1affc8478a6e72b9c33bab1758ad3194ee77 [file] [log] [blame]
From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Thu, 1 Sep 2016 14:25:43 +0100
Subject: crypto: cryptd - initialize child shash_desc on import
commit 0bd2223594a4dcddc1e34b15774a3a4776f7749e upstream.
When calling .import() on a cryptd ahash_request, the structure members
that describe the child transform in the shash_desc need to be initialized
like they are when calling .init()
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
crypto/cryptd.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -565,9 +565,14 @@ static int cryptd_hash_export(struct aha
static int cryptd_hash_import(struct ahash_request *req, const void *in)
{
- struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+ struct shash_desc *desc = cryptd_shash_desc(req);
- return crypto_shash_import(&rctx->desc, in);
+ desc->tfm = ctx->child;
+ desc->flags = req->base.flags;
+
+ return crypto_shash_import(desc, in);
}
static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,