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wifi: mac80211: fix MLO + AP_VLAN check 

commit f216033d77 upstream.

Instead of preventing adding AP_VLAN to MLO enabled APs, this check was
preventing adding more than one 4-addr AP_VLAN regardless of the MLO status.
Fix this by adding missing extra checks.

Fixes: ae960ee90b ("wifi: mac80211: prevent VLANs on MLDs")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20221214130326.37756-1-nbd@nbd.name
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felix Fietkau 2022-12-14 14:03:26 +01:00 committed by Greg Kroah-Hartman
parent 1590cee534
commit 10644c9828
1 changed files with 3 additions and 1 deletions
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4
net/mac80211/iface.c
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@ -364,7 +364,9 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,
/* No support for VLAN with MLO yet */
if (iftype == NL80211_IFTYPE_AP_VLAN &&
nsdata->wdev.use_4addr)
sdata->wdev.use_4addr &&
nsdata->vif.type == NL80211_IFTYPE_AP &&
nsdata->vif.valid_links)
return -EOPNOTSUPP;
/*