fix syscall retpoline

[pve-kernel.git] / patches / kernel / 0264-carl9170-prevent-speculative-execution.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Elena Reshetova <elena.reshetova@intel.com>
Date: Mon, 4 Sep 2017 13:11:47 +0300
Subject: [PATCH] carl9170: prevent speculative execution
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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 dc218eba4fe8241ab073be41a068f6796450c6d0)
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
 drivers/net/wireless/ath/carl9170/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 988c8857d78c..7e2c1c870a1d 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1388,6 +1388,7 @@ static int carl9170_op_conf_tx(struct ieee80211_hw *hw,
 
 	mutex_lock(&ar->mutex);
 	if (queue < ar->hw->queues) {
+		gmb();
 		memcpy(&ar->edcf[ar9170_qmap[queue]], param, sizeof(*param));
 		ret = carl9170_set_qos(ar);
 	} else {
-- 
2.14.2