From patchwork Tue Mar 7 22:45:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 13164887 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F6F5C6FD1E for ; Tue, 7 Mar 2023 22:47:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229925AbjCGWrC (ORCPT ); Tue, 7 Mar 2023 17:47:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229691AbjCGWrA (ORCPT ); Tue, 7 Mar 2023 17:47:00 -0500 Received: from hosting.gsystem.sk (hosting.gsystem.sk [212.5.213.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3E0E059D9; Tue, 7 Mar 2023 14:46:49 -0800 (PST) Received: from gsql.ggedos.sk (off-20.infotel.telecom.sk [212.5.213.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by hosting.gsystem.sk (Postfix) with ESMTPSA id 053947A0533; Tue, 7 Mar 2023 23:46:48 +0100 (CET) From: Ondrej Zary To: Damien Le Moal , Sudip Mukherjee Cc: Christoph Hellwig , Sergey Shtylyov , Jens Axboe , Tim Waugh , linux-block@vger.kernel.org, linux-parport@lists.infradead.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/32] pata_parport-bpck6: remove useless range check from read/write_regr Date: Tue, 7 Mar 2023 23:45:57 +0100 Message-Id: <20230307224627.28011-3-linux@zary.sk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230307224627.28011-1-linux@zary.sk> References: <20230307224627.28011-1-linux@zary.sk> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org bpck6_read_regr() and bpck6_write_regr() check values of cont and reg but there's no point in doing that. They can only be called with a fixed set of values. Remove the checks. Signed-off-by: Ondrej Zary Reviewed-by: Sergey Shtylyov --- drivers/ata/pata_parport/bpck6.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c index 842e8116b649..4d6edb9c1245 100644 --- a/drivers/ata/pata_parport/bpck6.c +++ b/drivers/ata/pata_parport/bpck6.c @@ -25,24 +25,12 @@ static int bpck6_read_regr(struct pi_adapter *pi, int cont, int reg) { - unsigned int out; - - /* check for bad settings */ - if (reg<0 || reg>7 || cont<0 || cont>2) - { - return(-1); - } - out=ppc6_rd_port(PPCSTRUCT(pi),cont?reg|8:reg); - return(out); + return ppc6_rd_port(PPCSTRUCT(pi), cont?reg|8:reg); } static void bpck6_write_regr(struct pi_adapter *pi, int cont, int reg, int val) { - /* check for bad settings */ - if (reg>=0 && reg<=7 && cont>=0 && cont<=1) - { - ppc6_wr_port(PPCSTRUCT(pi),cont?reg|8:reg,(u8)val); - } + ppc6_wr_port(PPCSTRUCT(pi), cont?reg|8:reg, val); } static void bpck6_write_block(struct pi_adapter *pi, char *buf, int len)