From cb6ce695cda3d4dfaf95148703f4b59c8ae70e76 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Mon, 2 Mar 2020 21:10:58 -0800
Subject: [PATCH] nl80211: add missing attribute validation for channel switch

commit 5cde05c61cbe13cbb3fa66d52b9ae84f7975e5e6 upstream.

Add missing attribute validation for NL80211_ATTR_OPER_CLASS
to the netlink policy.

Fixes: 1057d35ede5d ("cfg80211: introduce TDLS channel switch commands")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20200303051058.4089398-4-kuba@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 06872b757a14..3d735a79b60a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -548,6 +548,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
 		NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
 	[NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
 	[NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
+	[NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
 	[NL80211_ATTR_MAC_MASK] = {
 		.type = NLA_EXACT_LEN_WARN,
 		.len = ETH_ALEN
-- 
2.7.4