nl80211: add missing attribute validation for channel switch

Add missing attribute validation for NL80211_ATTR_OPER_CLASS
to the netlink policy.

Fixes: 2eda848f97f7 ("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>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 48e6508aba5208df76df0977685bcd5b9a9a9ad0..ec5d67794aab67a2f7c56a880c7fd8510860dada 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -565,6 +565,7 @@ 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