From patchwork Wed Mar 1 12:23:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastien Nocera X-Patchwork-Id: 13155904 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 CFDA4C64ED6 for ; Wed, 1 Mar 2023 12:23:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229734AbjCAMXQ (ORCPT ); Wed, 1 Mar 2023 07:23:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229523AbjCAMXQ (ORCPT ); Wed, 1 Mar 2023 07:23:16 -0500 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::222]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 945AA55BD; Wed, 1 Mar 2023 04:23:14 -0800 (PST) Received: (Authenticated sender: hadess@hadess.net) by mail.gandi.net (Postfix) with ESMTPSA id 3560A40006; Wed, 1 Mar 2023 12:23:11 +0000 (UTC) From: Bastien Nocera To: linux-usb@vger.kernel.org, linux-input@vger.kernel.org Cc: Greg Kroah-Hartman , Alan Stern , Benjamin Tissoires , =?utf-8?q?Filipe_La?= =?utf-8?q?=C3=ADns?= , Nestor Lopez Casado Subject: [PATCH v2 1/6] HID: logitech-hidpp: Simplify array length check Date: Wed, 1 Mar 2023 13:23:05 +0100 Message-Id: <20230301122310.3579-1-hadess@hadess.net> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Use the compiler to force a 100-length array, rather than check the length after the fact. Signed-off-by: Bastien Nocera --- New in v2, following a review comment in the 1f20 enablement patch. drivers/hid/hid-logitech-hidpp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index ff1fcebf2ec7..f55b2233dbea 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -1356,7 +1356,7 @@ static int hidpp20_map_battery_capacity(struct hid_device *hid_dev, int voltage) * there are a few devices that use different battery technology. */ - static const int voltages[] = { + static const int voltages[100] = { 4186, 4156, 4143, 4133, 4122, 4113, 4103, 4094, 4086, 4075, 4067, 4059, 4051, 4043, 4035, 4027, 4019, 4011, 4003, 3997, 3989, 3983, 3976, 3969, 3961, 3955, 3949, 3942, 3935, 3929, @@ -1371,8 +1371,6 @@ static int hidpp20_map_battery_capacity(struct hid_device *hid_dev, int voltage) int i; - BUILD_BUG_ON(ARRAY_SIZE(voltages) != 100); - if (unlikely(voltage < 3500 || voltage >= 5000)) hid_warn_once(hid_dev, "%s: possibly using the wrong voltage curve\n",