Commit be6bcabc authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

mac80211: check for non-managed interface 



Average beacon signal only keep tracked by managed interface,
give warning and return 0 for the others.

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1479177b

net/mac80211/util.c

+4 −0
Original line number Diff line number Diff line
@@ -1801,6 +1801,10 @@ int ieee80211_ave_rssi(struct ieee80211_vif *vif) 
	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);

	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;



	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) {

		/* non-managed type inferfaces */

		return 0;

	}

	return ifmgd->ave_beacon_signal;

}

EXPORT_SYMBOL_GPL(ieee80211_ave_rssi);