From 90246e79af062fcbb8c3728a5f29cb19b3468f59 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 4 Nov 2010 13:00:22 -0500
Subject: crypto: hash - Fix async import on shash algorithm
The function shash_async_import did not initialise the descriptor
correctly prior to calling the underlying shash import function.
This patch adds the required initialisation.
Reported-by: Miloslav Trmac <mitr@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
crypto/shash.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/crypto/shash.c b/crypto/shash.c
index 22fd9433141..76f74b96315 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -310,7 +310,13 @@ static int shash_async_export(struct ahash_request *req, void *out)
static int shash_async_import(struct ahash_request *req, const void *in)
{
- return crypto_shash_import(ahash_request_ctx(req), in);
+ struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
+ struct shash_desc *desc = ahash_request_ctx(req);
+
+ desc->tfm = *ctx;
+ desc->flags = req->base.flags;
+
+ return crypto_shash_import(desc, in);
}
static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
--
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