From: Phil Sutter <phil.sutter@viprinet.com>
Date: Mon, 27 Feb 2012 11:17:04 +0000 (+0100)
Subject: crypto: mv_cesa - fix final callback not ignoring input data
X-Git-Tag: firefly_0821_release~7541^2~1635
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=56c54856551b8a8199fda32aa7c416c719e5f0b9;p=firefly-linux-kernel-4.4.55.git

crypto: mv_cesa - fix final callback not ignoring input data

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@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 38a3297ae2be..f53dd83438bc 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -713,6 +713,7 @@ static int mv_hash_final(struct ahash_request *req)
 {
 	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);
 }