From patchwork Wed Oct 23 06:52:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 13846563 X-Patchwork-Delegate: miriam.rachel.korenblit@intel.com Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 375851482E6 for ; Wed, 23 Oct 2024 06:52:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729666361; cv=none; b=WDYkvfvz549D6cTNZDypglT8CngVLQvLf2UyVn8rX1u8/8yFsmUi2Y9IxSrxkbzPjj2+F51C1lHYhw6gsBuYcVJR/2HCC+EJm+wb/kXL7YEoMTok2zn9+R4WLfG6fNXiBpApD8+OFvGXGA4Fgq/4vNwha1PwvhPcMjUOao4FYIM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729666361; c=relaxed/simple; bh=sCpiTA6TM/c3NbvwRGlAMkgJDKwdwlbBED/Bp1NsRbo=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=CynBoOYOzDnCChZfQbPdqYurcsStJ3d9ymLHrWkKt3RL7GEhjV27aui+9eJzXBKFoXluPyZceC3x/oIPOJ0iSLvbJ/uFn28DyRM5Ggz39MflfL/P05Mee/DP5qb3bmqlbu4PISxy4rO4sqN88B/Cc1uO0KxbsqGM+ZPyL0cdaXs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.194]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4XYKSC0l0jz10Nxl; Wed, 23 Oct 2024 14:50:35 +0800 (CST) Received: from dggpemf100006.china.huawei.com (unknown [7.185.36.228]) by mail.maildlp.com (Postfix) with ESMTPS id D13C3140134; Wed, 23 Oct 2024 14:52:36 +0800 (CST) Received: from thunder-town.china.huawei.com (10.174.178.55) by dggpemf100006.china.huawei.com (7.185.36.228) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Wed, 23 Oct 2024 14:52:36 +0800 From: Zhen Lei To: Miri Korenblit , Kalle Valo , CC: Zhen Lei Subject: [PATCH 1/1] iwlwifi: mei: fix return value check in iwl_mei_dbgfs_register() Date: Wed, 23 Oct 2024 14:52:20 +0800 Message-ID: <20241023065220.258-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.37.3.windows.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemf100006.china.huawei.com (7.185.36.228) Fix the incorrect return value check for debugfs_create_dir(), which returns ERR_PTR(-ERROR) instead of NULL when it fails. Fixes: 4ea7da5fad43 ("iwlwifi: mei: add debugfs hooks") Signed-off-by: Zhen Lei --- drivers/net/wireless/intel/iwlwifi/mei/main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mei/main.c b/drivers/net/wireless/intel/iwlwifi/mei/main.c index dce0b7cf7b265c6..17a08ecd11b3202 100644 --- a/drivers/net/wireless/intel/iwlwifi/mei/main.c +++ b/drivers/net/wireless/intel/iwlwifi/mei/main.c @@ -1921,8 +1921,7 @@ static const struct file_operations iwl_mei_dbgfs_req_ownership_ops = { static void iwl_mei_dbgfs_register(struct iwl_mei *mei) { mei->dbgfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); - - if (!mei->dbgfs_dir) + if (IS_ERR(mei->dbgfs_dir)) return; debugfs_create_ulong("status", S_IRUSR,