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=-18.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 5506CC433E0 for ; Tue, 9 Feb 2021 08:32:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C42C64EC3 for ; Tue, 9 Feb 2021 08:32:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229464AbhBIIb5 (ORCPT ); Tue, 9 Feb 2021 03:31:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:44592 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229608AbhBIIbk (ORCPT ); Tue, 9 Feb 2021 03:31:40 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5CD3564EBD; Tue, 9 Feb 2021 08:30:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1612859459; bh=dD0A5OK3HsXVvWhyk59acFX0n0zj3YGqrrhuDxNWf6Q=; h=Subject:To:From:Date:From; b=TWxvNk6j+UrVRmbPV5AiDirjslPZKFI5UeTcjUmnK8GHU0ndTTl5wxvEF8HgVkKcF iGTR2ongCJLyDsmvrE9mlHbXclSk/1Rek8Yo6BUX4LvURU7NxuBX3E3z2kk0ncWS7C TRMeFHmo4sZNsQ7SikOrV43Lu0P6Aoe48ivIvHCo= Subject: patch "mei: bus: block send with vtag on non-conformat FW" added to char-misc-testing To: alexander.usyskin@intel.com, gregkh@linuxfoundation.org, stable@vger.kernel.org, tomas.winkler@intel.com From: Date: Tue, 09 Feb 2021 09:30:44 +0100 Message-ID: <161285944420935@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled mei: bus: block send with vtag on non-conformat FW to my char-misc git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git in the char-misc-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the char-misc-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >From b398d53cd421454d64850f8b1f6d609ede9042d9 Mon Sep 17 00:00:00 2001 From: Alexander Usyskin Date: Mon, 8 Feb 2021 17:06:48 +0200 Subject: mei: bus: block send with vtag on non-conformat FW 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(+) diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 580074e32599..935acc6bbf3c 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -61,6 +61,13 @@ ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length, u8 vtag, 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; -- 2.30.0