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 X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46988C433DB for ; Mon, 1 Mar 2021 20:33:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9F7C64D90 for ; Mon, 1 Mar 2021 20:33:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242373AbhCAUcf (ORCPT ); Mon, 1 Mar 2021 15:32:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:47790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242769AbhCAUZi (ORCPT ); Mon, 1 Mar 2021 15:25:38 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0C66564E4A; Mon, 1 Mar 2021 18:06:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614621988; bh=NI1VjzaiF6azZhJTTL0bl/6LBhyzSq1jQIlavdfc2Dk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wefWDm7IUnmi7WEGTMlh22+GVXrJCV1Qu/comVJVtegnmJ0ZVgJafRCc76ze/Hm1c jWNNmCo1hdTiwVY87e8sOeD/OD8F+HyywHtK0UrIpoF5sA8AJt2DyvWcQ0TblS7zUF htHeMRFHAD8xxM0GzskWOAEFcSlKh2DjFo1PX7QQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Usyskin , Tomas Winkler Subject: [PATCH 5.11 716/775] mei: bus: block send with vtag on non-conformat FW Date: Mon, 1 Mar 2021 17:14:44 +0100 Message-Id: <20210301161236.729377007@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161201.679371205@linuxfoundation.org> References: <20210301161201.679371205@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alexander Usyskin commit b398d53cd421454d64850f8b1f6d609ede9042d9 upstream. Block data send with vtag if either transport layer or FW client are not supporting vtags. Cc: # v5.10+ Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20210208150649.141358-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/bus.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -60,6 +60,13 @@ ssize_t __mei_cl_send(struct mei_cl *cl, goto out; } + if (vtag) { + /* Check if vtag is supported by client */ + rets = mei_cl_vt_support_check(cl); + if (rets) + goto out; + } + if (length > mei_cl_mtu(cl)) { rets = -EFBIG; goto out;