From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 231ECC04AB3 for ; Mon, 27 May 2019 14:51:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 046E42081C for ; Mon, 27 May 2019 14:51:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726752AbfE0Ovb (ORCPT ); Mon, 27 May 2019 10:51:31 -0400 Received: from relay10.mail.gandi.net ([217.70.178.230]:47897 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726291AbfE0Ov3 (ORCPT ); Mon, 27 May 2019 10:51:29 -0400 Received: from localhost (aaubervilliers-681-1-27-134.w90-88.abo.wanadoo.fr [90.88.147.134]) (Authenticated sender: antoine.tenart@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 4824D240006; Mon, 27 May 2019 14:51:23 +0000 (UTC) From: Antoine Tenart To: herbert@gondor.apana.org.au, davem@davemloft.net Cc: Antoine Tenart , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, maxime.chevallier@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, igall@marvell.com Subject: [PATCH 04/14] crypto: inside-secure - remove useless check Date: Mon, 27 May 2019 16:50:56 +0200 Message-Id: <20190527145106.8693-5-antoine.tenart@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190527145106.8693-1-antoine.tenart@bootlin.com> References: <20190527145106.8693-1-antoine.tenart@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When sending an ahash request, the code checks for the extra variable not to be 0. This check is useless as the extra variable can't be 0 at this point (it is checked on the line just before). This patch does not modify the driver behaviour in any way. Signed-off-by: Antoine Tenart --- drivers/crypto/inside-secure/safexcel_hash.c | 24 +++++++++----------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index a7cee9ed3789..58ce480690eb 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -230,19 +230,17 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, if (!extra) extra = crypto_ahash_blocksize(ahash); - if (extra) { - sg_pcopy_to_buffer(areq->src, sg_nents(areq->src), - req->cache_next, extra, - areq->nbytes - extra); - - queued -= extra; - len -= extra; - - if (!queued) { - *commands = 0; - *results = 0; - return 0; - } + sg_pcopy_to_buffer(areq->src, sg_nents(areq->src), + req->cache_next, extra, + areq->nbytes - extra); + + queued -= extra; + len -= extra; + + if (!queued) { + *commands = 0; + *results = 0; + return 0; } } -- 2.21.0