pve-kernel-qoup/patches/kernel/0267-Thermal-int340x-prevent-speculative-execution.patch
Fabian Grünbichler f90505f3a2 add tc fixes
2018-01-19 12:27:49 +01:00

53 lines
1.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Elena Reshetova <elena.reshetova@intel.com>
Date: Mon, 4 Sep 2017 13:11:51 +0300
Subject: [PATCH] Thermal/int340x: prevent speculative execution
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Content-Type: text/plain; charset=UTF-8
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CVE-2017-5753
CVE-2017-5715
Real commit text tbd
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
(cherry picked from commit 3904f4cadeeaa9370f0635eb2f66194ca238325b)
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
drivers/thermal/int340x_thermal/int340x_thermal_zone.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
index 145a5c53ff5c..4f9917ef3c11 100644
--- a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
@@ -57,15 +57,16 @@ static int int340x_thermal_get_trip_temp(struct thermal_zone_device *zone,
if (d->override_ops && d->override_ops->get_trip_temp)
return d->override_ops->get_trip_temp(zone, trip, temp);
- if (trip < d->aux_trip_nr)
+ if (trip < d->aux_trip_nr) {
+ gmb();
*temp = d->aux_trips[trip];
- else if (trip == d->crt_trip_id)
+ } else if (trip == d->crt_trip_id) {
*temp = d->crt_temp;
- else if (trip == d->psv_trip_id)
+ } else if (trip == d->psv_trip_id) {
*temp = d->psv_temp;
- else if (trip == d->hot_trip_id)
+ } else if (trip == d->hot_trip_id) {
*temp = d->hot_temp;
- else {
+ } else {
for (i = 0; i < INT340X_THERMAL_MAX_ACT_TRIP_COUNT; i++) {
if (d->act_trips[i].valid &&
d->act_trips[i].id == trip) {
--
2.14.2