From patchwork Mon Feb 14 07:16:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, M Chetan" X-Patchwork-Id: 12745041 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 AD8E1C433F5 for ; Mon, 14 Feb 2022 07:07:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241064AbiBNHHp (ORCPT ); Mon, 14 Feb 2022 02:07:45 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:59396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229800AbiBNHHp (ORCPT ); Mon, 14 Feb 2022 02:07:45 -0500 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 043D457B3D for ; Sun, 13 Feb 2022 23:07:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644822456; x=1676358456; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=KgGVOrCAl1iyP5IY8bWwGT3QAYcpYZ3gipbrSnsWn68=; b=m9uRxgLfSkkYosMMQPyqHOO0IS8hiQAmHtGK2M4z8zNcwx68W+Bjoi3z BWoXrWRUvRVy5xN66AiXrkgtXrAeQJhGQSvOIdGmQsQh5ZZBkYMXMZ6TM E9i7ZC5DUanmiM8zepKA8bbLJvi4FsrGHV9ImmllG2w5J27CjrMc9F9pJ THFQgUjMND6rb6djFItMDLeWpOngAFcUR0LJV5Sdy5gCfQEfB7nTVZRtl /VBUXuoZLZtEJPM4At+ANzNnQt+wpnpRZ5fiT0PQVlIRbJecdIs/iYuim 3HfGr0iyJ6DsXHaI2up3VYMlT17E+I7DfFXD7jNs4HpZLb+v2L1xGBKJr A==; X-IronPort-AV: E=McAfee;i="6200,9189,10257"; a="248862561" X-IronPort-AV: E=Sophos;i="5.88,367,1635231600"; d="scan'208";a="248862561" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2022 23:07:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,367,1635231600"; d="scan'208";a="680286196" Received: from ccgwwan-desktop15.iind.intel.com (HELO BSWCG005.iind.intel.com) ([10.224.174.19]) by fmsmga001.fm.intel.com with ESMTP; 13 Feb 2022 23:07:34 -0800 From: M Chetan Kumar To: netdev@vger.kernel.org Cc: kuba@kernel.org, davem@davemloft.net, johannes@sipsolutions.net, ryazanov.s.a@gmail.com, loic.poulain@linaro.org, krishna.c.sudi@intel.com, m.chetan.kumar@intel.com, m.chetan.kumar@linux.intel.com, linuxwwan@intel.com Subject: [PATCH net-next 0/2] net: wwan: debugfs dev reference not dropped Date: Mon, 14 Feb 2022 12:46:51 +0530 Message-Id: <20220214071653.813010-1-m.chetan.kumar@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch series contains WWAN subsystem & IOSM Driver changes to drop dev reference obtained as part of wwan debugfs dir entry retrieval. PATCH1: A new debugfs interface is introduced in wwan subsystem so that wwan driver can drop the obtained dev reference post debugfs use. PATCH2: IOSM Driver uses new debugfs interface to drop dev reference. Please refer to commit messages for details. M Chetan Kumar (2): net: wwan: debugfs obtained dev reference not dropped net: wwan: iosm: drop debugfs dev reference drivers/net/wwan/iosm/iosm_ipc_debugfs.c | 5 ++-- drivers/net/wwan/iosm/iosm_ipc_imem.h | 2 ++ drivers/net/wwan/wwan_core.c | 35 ++++++++++++++++++++++++ include/linux/wwan.h | 2 ++ 4 files changed, 42 insertions(+), 2 deletions(-)