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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75333C77B73 for ; Wed, 31 May 2023 10:03:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235756AbjEaKDU (ORCPT ); Wed, 31 May 2023 06:03:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235747AbjEaKDR (ORCPT ); Wed, 31 May 2023 06:03:17 -0400 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8816DE2 for ; Wed, 31 May 2023 03:03:16 -0700 (PDT) Received: from localhost.localdomain (unknown [124.16.138.125]) by APP-05 (Coremail) with SMTP id zQCowAAXHFhPG3dkxwyiCA--.5661S2; Wed, 31 May 2023 18:02:55 +0800 (CST) From: Jiasheng Jiang To: lee@kernel.org Cc: linux-kernel@vger.kernel.org, Jiasheng Jiang Subject: [PATCH] mfd: intel-lpss: Add missing check for platform_get_resource Date: Wed, 31 May 2023 18:02:57 +0800 Message-Id: <20230531100257.17769-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: zQCowAAXHFhPG3dkxwyiCA--.5661S2 X-Coremail-Antispam: 1UD129KBjvdXoW7JryxWw48Ar18KrWkCr4fAFb_yoW3uFX_Ga n5Z3WfXrWIkrs5Kw1xtrya9ryFywn2gr4kXayIyFWSyryUJryUWryDuFs8Jw17uas0kFyD Gr1DJr43C3WayjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbc8FF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY02Avz4vE14v_Gw1l 42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJV WUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAK I48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r 4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY 6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfU0NtxUUUUU X-Originating-IP: [124.16.138.125] X-CM-SenderInfo: pmld2xxhqjqxpvfd2hldfou0/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the missing check for platform_get_resource and return error if it fails. Fixes: 4b45efe85263 ("mfd: Add support for Intel Sunrisepoint LPSS devices") Signed-off-by: Jiasheng Jiang --- drivers/mfd/intel-lpss-acpi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index a143c8dca2d9..1a6ebd3d9795 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -183,6 +183,9 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) return -ENOMEM; info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!info->mem) + return -ENOMEM; + info->irq = platform_get_irq(pdev, 0); ret = intel_lpss_probe(&pdev->dev, info); -- 2.25.1