From patchwork Sat Oct 26 11:24:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 13852189 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 346851D31A8 for ; Sat, 26 Oct 2024 11:25:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729941903; cv=none; b=HYRo8UEFccJYzyNZF6z78h92Y+fbtRypKZVQrFhLWSlX9v30fhJ+EaUC149zhXu4Pof1yR72OMKJLM0QLPyKiFgwMD4XCKfgb0EZRsgDbMZ3eooWz8qZ9eTAZbkAe/3Klt1aIgQkBtZNmxRXnNLoeRcMJS+MdIVThWSP209cDFs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729941903; c=relaxed/simple; bh=FBEwKyXQ1EIVJcM05ojaC9yXUFYk3hwgD8fHBQFGoXs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=XVq8/w9yX1TkMHl5tScB9UFuGZ/oLfuGl9NbLjcTOAgfx3C1r96ZeRmhWwszrx34zgYrGFayUbb8DWVuiI1jOe/BpvUPbOzxfy82WhGyDZQgN7eSmc1JLSrJ1YKM0awVfNTV+SKVQ6hj20C6eycYEY7KG7jVAG+1EHDwc8vIKdI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4XbHP92XM8z4f3jtw for ; Sat, 26 Oct 2024 19:24:45 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id C77201A0359 for ; Sat, 26 Oct 2024 19:24:57 +0800 (CST) Received: from huaweicloud.com (unknown [10.84.78.15]) by APP4 (Coremail) with SMTP id gCh0CgCXysaF0RxnzRWxFA--.6494S4; Sat, 26 Oct 2024 19:24:57 +0800 (CST) From: Yang Yingliang To: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, shengjiu.wang@nxp.com Cc: linux-clk@vger.kernel.org, imx@lists.linux.dev, yangyingliang@huawei.com, bobo.shaobowang@huawei.com Subject: [PATCH] clk: imx: imx8-acm: Fix return value check in clk_imx_acm_attach_pm_domains() Date: Sat, 26 Oct 2024 19:24:52 +0800 Message-ID: <20241026112452.1523-1-yangyingliang@huaweicloud.com> X-Mailer: git-send-email 2.46.0.windows.1 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgCXysaF0RxnzRWxFA--.6494S4 X-Coremail-Antispam: 1UD129KBjvdXoWrtrW7Aw1fJFy7Wr1xtryxXwb_yoWDWwc_GF y8urn8Xr95JFsxAr1UuF1fXryDZrnruan7XayS934fJasxur1fJrs0qF4rXr47WrWUGFW7 Xrn3ursY9r98CjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbI8YFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwV A0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x02 67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I 0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40E x7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x 0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAa w2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxV Aqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q 6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6x kF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AK xVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvj xUF1v3UUUUU X-CM-SenderInfo: 51dqw5xlqjzxhdqjqx5xdzvxpfor3voofrz/ From: Yang Yingliang If device_link_add() fails, it returns NULL pointer not ERR_PTR(), replace IS_ERR() with NULL pointer check, and return -EINVAL. Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver") Signed-off-by: Yang Yingliang --- drivers/clk/imx/clk-imx8-acm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c index 6c351050b82a..c169fe53a35f 100644 --- a/drivers/clk/imx/clk-imx8-acm.c +++ b/drivers/clk/imx/clk-imx8-acm.c @@ -294,9 +294,9 @@ static int clk_imx_acm_attach_pm_domains(struct device *dev, DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (IS_ERR(dev_pm->pd_dev_link[i])) { + if (!dev_pm->pd_dev_link[i]) { dev_pm_domain_detach(dev_pm->pd_dev[i], false); - ret = PTR_ERR(dev_pm->pd_dev_link[i]); + ret = -EINVAL; goto detach_pm; } }