From patchwork Thu Jun 23 13:21:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: huhai <15815827059@163.com> X-Patchwork-Id: 585323 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 1CE70C433EF for ; Thu, 23 Jun 2022 13:21:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230482AbiFWNV2 (ORCPT ); Thu, 23 Jun 2022 09:21:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230420AbiFWNV1 (ORCPT ); Thu, 23 Jun 2022 09:21:27 -0400 Received: from mail-m974.mail.163.com (mail-m974.mail.163.com [123.126.97.4]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4F1C249C8C; Thu, 23 Jun 2022 06:21:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=YzLWj FH8JUhO6LUNmgSCyovPzdzhMNp9p6VW4aUFODQ=; b=pOGg5PWMUFcMXdSw9EDcs fzpd++jNGevoWEJTaNUfilc7wi65hv/F+EkmrBa8J5EALxCocXQpxUzJFlEEJvmt chqsE5Qp6ry2qBgIqkRwc2pQ5vMrMPBFL4lBbRhPVtmOg4DZyHtJbh13M4iaH3oE sZPKXaAoptFFAMX9ckY4FM= Received: from localhost.localdomain (unknown [116.128.244.169]) by smtp4 (Coremail) with SMTP id HNxpCgCnbvrHaLRi0YWjKw--.7486S2; Thu, 23 Jun 2022 21:21:12 +0800 (CST) From: huhai <15815827059@163.com> To: rafael@kernel.org, lenb@kernel.org Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, huhai Subject: [PATCH] ACPI: LPSS: Fix missing check in register_device_clock Date: Thu, 23 Jun 2022 21:21:27 +0800 Message-Id: <20220623132127.1248462-1-15815827059@163.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-CM-TRANSID: HNxpCgCnbvrHaLRi0YWjKw--.7486S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7Gry3Zr1UWFyftF43Gr17KFg_yoW3ZFb_ZF Z2vFWvqr4kKFn3Cr1DArnxZry0vFnI9rs5XryUKr4xZ348W347WayrZr4qvF45Ww18KFZ8 Z3W8trW2kr13CjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUbPl1JUUUUU== X-Originating-IP: [116.128.244.169] X-CM-SenderInfo: rprvmiivyslimvzbiqqrwthudrp/xtbB0wgphVXlvuBXHAAAsS Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: huhai register_device_clock() misses a check for platform_device_register_simple(). Add a check to fix it. Signed-off-by: huhai --- drivers/acpi/acpi_lpss.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index fbe0756259c5..c4d4d21391d7 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -422,6 +422,9 @@ static int register_device_clock(struct acpi_device *adev, if (!lpss_clk_dev) lpt_register_clock_device(); + if (IS_ERR(lpss_clk_dev)) + return PTR_ERR(lpss_clk_dev); + clk_data = platform_get_drvdata(lpss_clk_dev); if (!clk_data) return -ENODEV;