As a non-transmitting interface does not broadcast a beacon, we do not want to allow channel switch announcements. They need to be triggered on the transmitting interface. Signed-off-by: Aloka Dixit <alokad@xxxxxxxxxxxxxx> Signed-off-by: John Crispin <john@xxxxxxxxxxx> --- net/mac80211/cfg.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 11cecb2ed640..7693894c4f84 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3504,6 +3504,9 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, if (sdata->vif.csa_active) return -EBUSY; + if (sdata->vif.multiple_bssid.flags & IEEE80211_VIF_MBSS_NON_TRANSMITTING) + return -EINVAL; + mutex_lock(&local->chanctx_mtx); conf = rcu_dereference_protected(sdata->vif.chanctx_conf, lockdep_is_held(&local->chanctx_mtx)); -- 2.25.1
