linux-kernel - [ 32/68] crypto: mv_cesa - fix final callback not ignoring input data

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Message-Id: <20120309190217.537849686@linuxfoundation.org>
Date:	Fri, 09 Mar 2012 11:02:46 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Phil Sutter <phil.sutter@...rinet.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: [ 32/68] crypto: mv_cesa - fix final callback not ignoring input data

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Phil Sutter <phil.sutter@...rinet.com>

commit f8f54e190ddb4ed697036b60f5e2ae6dd45b801c upstream.

Broken by commit 6ef84509f3d439ed2d43ea40080643efec37f54f for users
passing a request with non-zero 'nbytes' field, like e.g. testmgr.

Signed-off-by: Phil Sutter <phil.sutter@...rinet.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/crypto/mv_cesa.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -713,6 +713,7 @@ static int mv_hash_final(struct ahash_re
 {
 	struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
 
+	ahash_request_set_crypt(req, NULL, req->result, 0);
 	mv_update_hash_req_ctx(ctx, 1, 0);
 	return mv_handle_req(&req->base);
 }


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