From patchwork Fri May 31 10:57:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 10969999 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 83A646C5 for ; Fri, 31 May 2019 10:57:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 75BF9289E0 for ; Fri, 31 May 2019 10:57:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A05B28AB3; Fri, 31 May 2019 10:57:19 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable 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 2A321289E0 for ; Fri, 31 May 2019 10:57:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726386AbfEaK5O (ORCPT ); Fri, 31 May 2019 06:57:14 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:44782 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726002AbfEaK5O (ORCPT ); Fri, 31 May 2019 06:57:14 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1hWfDg-0004Th-GR; Fri, 31 May 2019 10:57:08 +0000 From: Colin King To: Andy Gross , David Brown , Amit Kucheria , Zhang Rui , Eduardo Valentin , Daniel Lezcano , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] drivers: thermal: tsens: remove redundant u32 comparison with less than zero Date: Fri, 31 May 2019 11:57:08 +0100 Message-Id: <20190531105708.15312-1-colin.king@canonical.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King The u32 variable hw_id is unsigned and cannot be less than zero so the comparison with less than zero is always false and hence is redundant and can be removed. Addresses-Coverity: ("Unsigned compared against 0") Signed-off-by: Colin Ian King --- drivers/thermal/qcom/tsens-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c index 928e8e81ba69..f4419f45025d 100644 --- a/drivers/thermal/qcom/tsens-common.c +++ b/drivers/thermal/qcom/tsens-common.c @@ -69,7 +69,7 @@ bool is_sensor_enabled(struct tsens_priv *priv, u32 hw_id) u32 val; int ret; - if ((hw_id > (priv->num_sensors - 1)) || (hw_id < 0)) + if (hw_id > (priv->num_sensors - 1)) return -EINVAL; ret = regmap_field_read(priv->rf[SENSOR_EN], &val); if (ret)