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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: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Wey-Yi Guy 2012-04-23 09:30:32 -07:00 committed by John W. Linville
parent 1479177ba6
commit be6bcabc79
1 changed files with 4 additions and 0 deletions
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4
net/mac80211/util.c
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@ -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);