From patchwork Wed May 24 19:06:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoine Tenart X-Patchwork-Id: 9746935 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9ACEC60246 for ; Wed, 24 May 2017 21:27:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8D23426E16 for ; Wed, 24 May 2017 21:27:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 81D8926E4E; Wed, 24 May 2017 21:27:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3A10226E16 for ; Wed, 24 May 2017 21:27:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937739AbdEXV1V (ORCPT ); Wed, 24 May 2017 17:27:21 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:50317 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937720AbdEXV1U (ORCPT ); Wed, 24 May 2017 17:27:20 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id 745E420B87; Wed, 24 May 2017 23:27:18 +0200 (CEST) Received: from localhost (unknown [80.12.37.224]) by mail.free-electrons.com (Postfix) with ESMTPSA id 39D9420774; Wed, 24 May 2017 23:27:18 +0200 (CEST) From: Antoine Tenart To: herbert@gondor.apana.org.au, davem@davemloft.net, maxime.ripard@free-electrons.com, wens@csie.org, clabbe.montjoie@gmail.com Cc: Antoine Tenart , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 05/11] crypto: sun4i-ss: do not dynamically set parts of the last buffer to 0 Date: Wed, 24 May 2017 21:06:46 +0200 Message-Id: <20170524190652.13278-6-antoine.tenart@free-electrons.com> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170524190652.13278-1-antoine.tenart@free-electrons.com> References: <20170524190652.13278-1-antoine.tenart@free-electrons.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Parts of the bf buffer were dynamically set to 0. Change this to set the whole buffer to 0 by default to avoid any mistake. Signed-off-by: Antoine Tenart --- drivers/crypto/sunxi-ss/sun4i-ss-hash.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c index bc3cbde07219..518bc7a7df6a 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c @@ -179,7 +179,7 @@ static int sun4i_hash(struct ahash_request *areq) */ unsigned int i = 0, end, index, padlen, nwait, nbw = 0, j = 0, todo; unsigned int in_i = 0; - u32 spaces, rx_cnt = SS_RX_DEFAULT, bf[32], wb = 0, v, ivmode = 0; + u32 spaces, rx_cnt = SS_RX_DEFAULT, bf[32] = {0}, wb = 0, v, ivmode = 0; struct sun4i_req_ctx *op = ahash_request_ctx(areq); struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); struct sun4i_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm); @@ -417,7 +417,6 @@ static int sun4i_hash(struct ahash_request *areq) zeros = (padlen - 1) / 4; } - memset(bf + j, 0, 4 * zeros); j += zeros; /* write the length of data */