wifi: iwlwifi: mvm: remove chanctx WARN_ON

During link switching there might be a link that's marked
active but has no chanctx assigned (so it's not active from
our driver's POV), skip such links in power recalculation
without any warning.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.c629090bd5d2.If7a680d5e349d454f2122f936c21522b9528a55f@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/power.c

@@ -286,7 +286,8 @@ static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
 	rcu_read_lock();
 	for_each_vif_active_link(vif, link_conf, link_id) {
 		chanctx_conf = rcu_dereference(link_conf->chanctx_conf);
-		if (WARN_ON(!chanctx_conf))
+		/* this happens on link switching, just ignore inactive ones */
+		if (!chanctx_conf)
 			continue;
 
 		radar_detect = !!(chanctx_conf->def.chan->flags &