From 45aaf17c0c3471efa3100dadfc65e3d459821443 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 7 Jul 2022 18:19:27 +0200 Subject: wifi: nl80211: check MLO support in authenticate We should check that MLO connections are supported before attempting to authenticate with MLO parameters, check that. Fixes: d648c23024bd ("wifi: nl80211: support MLO in auth/assoc") Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net/wireless') diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b75398f0d5b4..ee3826e8e52b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10410,6 +10410,8 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) req.key_idx = key.idx; req.link_id = nl80211_link_id_or_invalid(info->attrs); if (req.link_id >= 0) { + if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)) + return -EINVAL; if (!info->attrs[NL80211_ATTR_MLD_ADDR]) return -EINVAL; req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]); -- cgit v1.2.3