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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 90A15C169C4 for ; Tue, 29 Jan 2019 12:06:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57D8A20881 for ; Tue, 29 Jan 2019 12:06:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548763615; bh=UUKyFs9/vtmtqK/jD0TT8stM/e4/R1VB2gsXkhTgCLE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jzm4msmtaOQ05PNLGZ6h3cKTVihNEpveuM3TzFDRdQC1fHmLT/vI52mJbmrHLc5CI LCZxIfBr5e7aTptcusEEdNPrwbq8zS6sM56Im5vxci7eE5muIzlOv46t+GYDHb+4KG UGq4tFrk/pqa7Yv9Jmtvz4/iUI/qehNvO3oz/XaU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729703AbfA2Lkv (ORCPT ); Tue, 29 Jan 2019 06:40:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:57992 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728834AbfA2Lku (ORCPT ); Tue, 29 Jan 2019 06:40:50 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D164E20857; Tue, 29 Jan 2019 11:40:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548762050; bh=UUKyFs9/vtmtqK/jD0TT8stM/e4/R1VB2gsXkhTgCLE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q+t5yvna7KQytFHUjNUAto1Yh28EdBWJuu6sCZ5r2p+1Et14m1U5ayl0+n2s9uoQ1 +GwpsGZNognjIomYKQStPyzFpwZlbmEscfph2ce2SU6qyX91m5ZUmVFtfscBIRqzaK lUPK2A7bUsKkyjCf0YLRVey4Nu3LtD6wCLjKjc2c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicolas Pitre Subject: [PATCH 4.20 091/117] vt: always call notifier with the console lock held Date: Tue, 29 Jan 2019 12:35:42 +0100 Message-Id: <20190129113211.920227026@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190129113207.477505932@linuxfoundation.org> References: <20190129113207.477505932@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nicolas Pitre commit 7e1d226345f89ad5d0216a9092c81386c89b4983 upstream. Every invocation of notify_write() and notify_update() is performed under the console lock, except for one case. Let's fix that. Signed-off-by: Nicolas Pitre Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/tty/vt/vt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -2764,8 +2764,8 @@ rescan_last_byte: con_flush(vc, draw_from, draw_to, &draw_x); vc_uniscr_debug_check(vc); console_conditional_schedule(); - console_unlock(); notify_update(vc); + console_unlock(); return n; }