From patchwork Tue Apr 26 08:20:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 566691 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 A7633C433EF for ; Tue, 26 Apr 2022 08:33:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345064AbiDZIgT (ORCPT ); Tue, 26 Apr 2022 04:36:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345213AbiDZIeO (ORCPT ); Tue, 26 Apr 2022 04:34:14 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A631970911; Tue, 26 Apr 2022 01:26:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 53BAFB81CF9; Tue, 26 Apr 2022 08:26:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3592C385A0; Tue, 26 Apr 2022 08:26:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650961592; bh=JrTg5TVja6fp8tRt+hMunCtik+nRg8374/t6ZUaDplY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=08bJLKK3YmCh4ptOrw76UJm7kNxamcNVln5oRp9A1L5lKutTo2496NNgeKQF+l8a3 jP7H5woQwz/osT054lU/kBM6k+vPy80VOOeDUd8IxS4ANwF0TJJQ6z0d0G5bnulrz0 t/n3cI6q3UTJ5XUvVNh1isiiIcQWwZs6rUazoiX0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Abaci Robot , Jiapeng Chong , Hans de Goede , Sasha Levin Subject: [PATCH 4.19 19/53] platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative Date: Tue, 26 Apr 2022 10:20:59 +0200 Message-Id: <20220426081736.214242397@linuxfoundation.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220426081735.651926456@linuxfoundation.org> References: <20220426081735.651926456@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jiapeng Chong [ Upstream commit 0284d4d1be753f648f28b77bdfbe6a959212af5c ] Eliminate the follow smatch warnings: drivers/platform/x86/samsung-laptop.c:1124 kbd_led_set() warn: unsigned 'value' is never less than zero. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong Link: https://lore.kernel.org/r/20220322061830.105579-1-jiapeng.chong@linux.alibaba.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede Signed-off-by: Sasha Levin --- drivers/platform/x86/samsung-laptop.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index 7b160ee98115..3e66be504a0d 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -1125,8 +1125,6 @@ static void kbd_led_set(struct led_classdev *led_cdev, if (value > samsung->kbd_led.max_brightness) value = samsung->kbd_led.max_brightness; - else if (value < 0) - value = 0; samsung->kbd_led_wk = value; queue_work(samsung->led_workqueue, &samsung->kbd_led_work);