From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36407C2BBD4 for ; Fri, 18 Dec 2020 09:42:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE5C123A82 for ; Fri, 18 Dec 2020 09:42:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732708AbgLRJmn (ORCPT ); Fri, 18 Dec 2020 04:42:43 -0500 Received: from smtp25.cstnet.cn ([159.226.251.25]:51378 "EHLO cstnet.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725870AbgLRJmm (ORCPT ); Fri, 18 Dec 2020 04:42:42 -0500 Received: from localhost.localdomain (unknown [124.16.141.242]) by APP-05 (Coremail) with SMTP id zQCowADXx3Bcedxfzt8SAA--.43979S2; Fri, 18 Dec 2020 17:41:48 +0800 (CST) From: Xu Wang To: jic23@kernel.org, lars@metafoo.de, pmeerw@pmeerw.net, mcoquelin.stm32@gmail.com Cc: linux-kernel@vger.kernel.org Subject: [PATCH] iio: adc: stm32-dfsdm: Remove redundant null check before clk_disable_unprepare Date: Fri, 18 Dec 2020 09:41:45 +0000 Message-Id: <20201218094145.1123-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: zQCowADXx3Bcedxfzt8SAA--.43979S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZFy8CFy8Aw1xGryrKr48Zwb_yoW3tFXEy3 WUu39rKF4aqrnay3y8WFn8Zr90vry8Zws3ur10yrWrGFy7Z3y7ZrWavr43Jw1UAanFya47 A3WDX34fAr1xCjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb2kYjsxI4VWDJwAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I 8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8Jw Am72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc2xSY4AK67AK6r4fMxAIw28I cxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2 IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI 42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42 IY6xAIw20EY4v20xvaj40_Wr1j6rW3Jr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2 z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU8LjjDUUUUU== X-Originating-IP: [124.16.141.242] X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiCgkOA1z4jO9-VwAAsh Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ecause clk_disable_unprepare() already checked NULL clock parameter, so the additional check is unnecessary, just remove it. Signed-off-by: Xu Wang --- drivers/iio/adc/stm32-dfsdm-core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c index 42a7377704a4..bb925a11c8ae 100644 --- a/drivers/iio/adc/stm32-dfsdm-core.c +++ b/drivers/iio/adc/stm32-dfsdm-core.c @@ -117,8 +117,7 @@ static void stm32_dfsdm_clk_disable_unprepare(struct stm32_dfsdm *dfsdm) { struct dfsdm_priv *priv = to_stm32_dfsdm_priv(dfsdm); - if (priv->aclk) - clk_disable_unprepare(priv->aclk); + clk_disable_unprepare(priv->aclk); clk_disable_unprepare(priv->clk); } -- 2.17.1