[PATCH 5.5 138/151] nl80211: add missing attribute validation for channel switch

From: Greg Kroah-Hartman
Date: Tue Mar 17 2020 - 07:14:40 EST


From: Jakub Kicinski <kuba@xxxxxxxxxx>

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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200303051058.4089398-4-kuba@xxxxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
net/wireless/nl80211.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -564,6 +564,7 @@ const struct nla_policy nl80211_policy[N
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