diff mbox series

wifi: mac80211: fix MLO + AP_VLAN check

Message ID 20221214130326.37756-1-nbd@nbd.name (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: mac80211: fix MLO + AP_VLAN check | expand

Commit Message

Felix Fietkau Dec. 14, 2022, 1:03 p.m. UTC
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: ae960ee90bb1 ("wifi: mac80211: prevent VLANs on MLDs")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 net/mac80211/iface.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index d49a5906a943..e20c3fe9a0b1 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -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;
 
 			/*