From patchwork Fri Dec 23 01:22:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Even Xu X-Patchwork-Id: 9487083 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 55C03601D2 for ; Fri, 23 Dec 2016 01:24:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4853127CF3 for ; Fri, 23 Dec 2016 01:24:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3C80A27FB6; Fri, 23 Dec 2016 01:24:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B710C27CF3 for ; Fri, 23 Dec 2016 01:24:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966839AbcLWBYc (ORCPT ); Thu, 22 Dec 2016 20:24:32 -0500 Received: from mga03.intel.com ([134.134.136.65]:7533 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966557AbcLWBXg (ORCPT ); Thu, 22 Dec 2016 20:23:36 -0500 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP; 22 Dec 2016 17:23:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,391,1477983600"; d="scan'208";a="915386549" Received: from ubuntu-kabylake-client-platform.sh.intel.com ([10.239.154.100]) by orsmga003.jf.intel.com with ESMTP; 22 Dec 2016 17:23:33 -0800 From: Even Xu To: jikos@kernel.org, benjamin.tissoires@redhat.com, srinivas.pandruvada@linux.intel.com, arnd@arndb.de, gregkh@linuxfoundation.org, andriy.shevchenko@intel.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Even Xu Subject: [PATCH 4/7] hid: intel-ish-hid: use helper function to access client buffer Date: Fri, 23 Dec 2016 09:22:26 +0800 Message-Id: <1482456149-4841-4-git-send-email-even.xu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1482456149-4841-1-git-send-email-even.xu@intel.com> References: <1482456149-4841-1-git-send-email-even.xu@intel.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP ishtp bus driver exposed helper functions for client buffer accessing, so change to use these functions in ishtp-hid-client driver to avoid access client buffer directly. Signed-off-by: Even Xu Reviewed-by: Andriy Shevchenko Acked-by: Srinivas Pandruvada --- drivers/hid/intel-ish-hid/ishtp-hid-client.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/hid/intel-ish-hid/ishtp-hid-client.c b/drivers/hid/intel-ish-hid/ishtp-hid-client.c index 3a3203d..0a7270c 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid-client.c +++ b/drivers/hid/intel-ish-hid/ishtp-hid-client.c @@ -324,20 +324,11 @@ static void ish_cl_event_cb(struct ishtp_cl_device *device) struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(device); struct ishtp_cl_rb *rb_in_proc; size_t r_length; - unsigned long flags; if (!hid_ishtp_cl) return; - spin_lock_irqsave(&hid_ishtp_cl->in_process_spinlock, flags); - while (!list_empty(&hid_ishtp_cl->in_process_list.list)) { - rb_in_proc = list_entry( - hid_ishtp_cl->in_process_list.list.next, - struct ishtp_cl_rb, list); - list_del_init(&rb_in_proc->list); - spin_unlock_irqrestore(&hid_ishtp_cl->in_process_spinlock, - flags); - + while ((rb_in_proc = ishtp_cl_rx_get_rb(hid_ishtp_cl)) != NULL) { if (!rb_in_proc->buffer.data) return; @@ -347,9 +338,7 @@ static void ish_cl_event_cb(struct ishtp_cl_device *device) process_recv(hid_ishtp_cl, rb_in_proc->buffer.data, r_length); ishtp_cl_io_rb_recycle(rb_in_proc); - spin_lock_irqsave(&hid_ishtp_cl->in_process_spinlock, flags); } - spin_unlock_irqrestore(&hid_ishtp_cl->in_process_spinlock, flags); } /**