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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k16-20020a056402049000b00514a5f8d30bsi7852915edv.656.2023.06.13.18.33.52; Tue, 13 Jun 2023 18:34:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241230AbjFNB31 (ORCPT + 99 others); Tue, 13 Jun 2023 21:29:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231229AbjFNB3W (ORCPT ); Tue, 13 Jun 2023 21:29:22 -0400 Received: from out30-101.freemail.mail.aliyun.com (out30-101.freemail.mail.aliyun.com [115.124.30.101]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E82CE57; Tue, 13 Jun 2023 18:29:21 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R151e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045176;MF=yang.lee@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0Vl4DoHI_1686706156; Received: from localhost(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0Vl4DoHI_1686706156) by smtp.aliyun-inc.com; Wed, 14 Jun 2023 09:29:17 +0800 From: Yang Li To: sboyd@kernel.org Cc: mturquette@baylibre.com, orsonzhai@gmail.com, baolin.wang@linux.alibaba.com, zhang.lyra@gmail.com, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, thierry.reding@gmail.com, jonathanh@nvidia.com, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Yang Li , Abaci Robot Subject: [PATCH -next 2/3] clk: stm32: core: Fix unsigned comparison with less than zero Date: Wed, 14 Jun 2023 09:29:12 +0800 Message-Id: <20230614012913.122220-2-yang.lee@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c In-Reply-To: <20230614012913.122220-1-yang.lee@linux.alibaba.com> References: <20230614012913.122220-1-yang.lee@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-9.9 required=5.0 tests=BAYES_00, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The return value of the divider_ro_round_rate() is long. However, the return value is being assigned to an unsigned long variable 'rate', so making 'rate' to long. silence the warnings: ./drivers/clk/stm32/clk-stm32-core.c:451:6-10: WARNING: Unsigned expression compared with zero: rate < 0 ./drivers/clk/stm32/clk-stm32-core.c:461:5-9: WARNING: Unsigned expression compared with zero: rate < 0 Reported-by: Abaci Robot Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5519 Signed-off-by: Yang Li --- drivers/clk/stm32/clk-stm32-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/stm32/clk-stm32-core.c b/drivers/clk/stm32/clk-stm32-core.c index d5aa09e9fce4..067b918a8894 100644 --- a/drivers/clk/stm32/clk-stm32-core.c +++ b/drivers/clk/stm32/clk-stm32-core.c @@ -431,7 +431,7 @@ static int clk_stm32_composite_determine_rate(struct clk_hw *hw, { struct clk_stm32_composite *composite = to_clk_stm32_composite(hw); const struct stm32_div_cfg *divider; - unsigned long rate; + long rate; if (composite->div_id == NO_STM32_DIV) return 0; -- 2.20.1.7.g153144c