From patchwork Thu Aug 17 06:06:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 13355990 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 08E27EB64DD for ; Thu, 17 Aug 2023 06:07:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238074AbjHQGHQ (ORCPT ); Thu, 17 Aug 2023 02:07:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348192AbjHQGGw (ORCPT ); Thu, 17 Aug 2023 02:06:52 -0400 Received: from out30-111.freemail.mail.aliyun.com (out30-111.freemail.mail.aliyun.com [115.124.30.111]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A47B02D56; Wed, 16 Aug 2023 23:06:50 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R881e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046050;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0VpygmlG_1692252404; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0VpygmlG_1692252404) by smtp.aliyun-inc.com; Thu, 17 Aug 2023 14:06:47 +0800 From: Jiapeng Chong To: alexander.deucher@amd.com Cc: christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, jdelvare@suse.com, linux@roeck-us.net, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Jiapeng Chong , Abaci Robot Subject: [PATCH] drm/amd/pm: Fix unsigned expression compared with zero Date: Thu, 17 Aug 2023 14:06:44 +0800 Message-Id: <20230817060644.74477-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org The val is defined as unsigned int type, if(val<0) is invalid, modify to int type. drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_pm.c:2813 amdgpu_hwmon_show_power_input() warn: unsigned 'val' is never less than zero. drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_pm.c:2800 amdgpu_hwmon_show_power_avg() warn: unsigned 'val' is never less than zero. Reported-by: Abaci Robot Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=6181 Signed-off-by: Jiapeng Chong --- drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 5b1d73b00ef7..fe490e5860d2 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2794,7 +2794,7 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev, struct device_attribute *attr, char *buf) { - unsigned int val; + int val; val = amdgpu_hwmon_get_power(dev, AMDGPU_PP_SENSOR_GPU_AVG_POWER); if (val < 0) @@ -2807,7 +2807,7 @@ static ssize_t amdgpu_hwmon_show_power_input(struct device *dev, struct device_attribute *attr, char *buf) { - unsigned int val; + int val; val = amdgpu_hwmon_get_power(dev, AMDGPU_PP_SENSOR_GPU_INPUT_POWER); if (val < 0)