mac80211: fix mesh action frame handling

When I split off the action frame handling I made the code drop
all action frames we don't want to handle. This is wrong since
some action frames are actually handled via rx_h_mgmt through
being queued to the sta/mesh implementations.

Thanks to Li YanBo for noticing the problem.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Li YanBo <dreamfly281@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/rx.c

@@ -1557,7 +1557,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 	 */
 	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
-		return RX_DROP_MONITOR;
+		return RX_CONTINUE;
 
 	switch (mgmt->u.action.category) {
 	case WLAN_CATEGORY_BACK: