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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2016-09-01 14:25:43 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-24 10:07:41 +0200
commit3d1ca49a9a784b463f1a0f47fa66eb93a5f5b644 (patch)
treea33b88d26a4500a5e0914c5aba1a59574b259612 /crypto/cryptd.c
parent554b0ee1e89295d87c3f4bb5bcfb2d288ccde455 (diff)
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto/cryptd.c')
-rw-r--r--crypto/cryptd.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index c81861b1350b..e7aa904cb20b 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -594,9 +594,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out)
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);
+
+ desc->tfm = ctx->child;
+ desc->flags = req->base.flags;
- return crypto_shash_import(&rctx->desc, in);
+ return crypto_shash_import(desc, in);
}
static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,