From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56431 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752213AbcI1IiM (ORCPT ); Wed, 28 Sep 2016 04:38:12 -0400 Subject: Patch "qxl: check for kmap failures" has been added to the 4.4-stable tree To: dan.carpenter@oracle.com, daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org Cc: , From: Date: Wed, 28 Sep 2016 10:38:07 +0200 Message-ID: <1475051887206100@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled qxl: check for kmap failures to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: qxl-check-for-kmap-failures.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From f4cceb2affcd1285d4ce498089e8a79f4cd2fa66 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 11 Jul 2016 11:46:33 +0300 Subject: qxl: check for kmap failures From: Dan Carpenter commit f4cceb2affcd1285d4ce498089e8a79f4cd2fa66 upstream. If kmap fails, it leads to memory corruption. Fixes: f64122c1f6ad ('drm: add new QXL driver. (v1.4)') Signed-off-by: Dan Carpenter Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20160711084633.GA31411@mwanda Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/qxl/qxl_draw.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/qxl/qxl_draw.c +++ b/drivers/gpu/drm/qxl/qxl_draw.c @@ -136,6 +136,8 @@ static int qxl_palette_create_1bit(struc * correctly globaly, since that would require * tracking all of our palettes. */ ret = qxl_bo_kmap(palette_bo, (void **)&pal); + if (ret) + return ret; pal->num_ents = 2; pal->unique = unique++; if (visual == FB_VISUAL_TRUECOLOR || visual == FB_VISUAL_DIRECTCOLOR) { Patches currently in stable-queue which might be from dan.carpenter@oracle.com are queue-4.4/mtd-pmcmsp-flash-allocating-too-much-in-init_msp_flash.patch queue-4.4/hostfs-freeing-an-err_ptr-in-hostfs_fill_sb_common.patch queue-4.4/mtd-maps-sa1100-flash-potential-null-dereference.patch queue-4.4/qxl-check-for-kmap-failures.patch queue-4.4/power-supply-max17042_battery-fix-model-download-bug.patch