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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c9811af..d502cc7 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -426,6 +426,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
        [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
        [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] = { .len = ETH_ALEN },
        [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
        [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },