linux-kernel - [PATCH AUTOSEL 4.14 001/130] drm: mst: Fix query

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20191210220301.13262-1-sashal@kernel.org>
Date:   Tue, 10 Dec 2019 17:00:52 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Sean Paul <seanpaul@...omium.org>, Lyude Paul <lyude@...hat.com>,
        Todd Previte <tprevite@...il.com>,
        Dave Airlie <airlied@...hat.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.14 001/130] drm: mst: Fix query_payload ack reply struct

From: Sean Paul <seanpaul@...omium.org>

[ Upstream commit 268de6530aa18fe5773062367fd119f0045f6e88 ]

Spec says[1] Allocated_PBN is 16 bits

[1]- DisplayPort 1.2 Spec, Section 2.11.9.8, Table 2-98

Fixes: ad7f8a1f9ced ("drm/helper: add Displayport multi-stream helper (v0.6)")
Cc: Lyude Paul <lyude@...hat.com>
Cc: Todd Previte <tprevite@...il.com>
Cc: Dave Airlie <airlied@...hat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc: Maxime Ripard <maxime.ripard@...tlin.com>
Cc: Sean Paul <sean@...rly.run>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org
Reviewed-by: Lyude Paul <lyude@...hat.com>
Signed-off-by: Sean Paul <seanpaul@...omium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190829165223.129662-1-sean@poorly.run
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/drm/drm_dp_mst_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index d55abb75f29ae..eec6cba204ea8 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -313,7 +313,7 @@ struct drm_dp_resource_status_notify {
 
 struct drm_dp_query_payload_ack_reply {
 	u8 port_number;
-	u8 allocated_pbn;
+	u16 allocated_pbn;
 };
 
 struct drm_dp_sideband_msg_req_body {
-- 
2.20.1