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authorJohannes Berg <johannes.berg@intel.com>2015-08-28 10:52:53 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-09 14:03:18 -0500
commitf1a112cce43b4901894ac01380261b2fac10a69e (patch)
tree62b5b2fbf2d7a609687a68ef1e7fbc6a5ad83602 /net
parent64e2fe7afcb55788bc888290b1ab60ebcfa0a714 (diff)
mac80211: fix driver RSSI event calculations
commit 8ec6d97871f37e4743678ea4a455bd59580aa0f4 upstream. The ifmgd->ave_beacon_signal value cannot be taken as is for comparisons, it must be divided by since it's represented like that for better accuracy of the EWMA calculations. This would lead to invalid driver RSSI events. Fix the used value. Fixes: 615f7b9bb1f8 ("mac80211: add driver RSSI threshold events") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mlme.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 425ae97bb29b..a93906103f8b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3340,7 +3340,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
- int sig = ifmgd->ave_beacon_signal;
+ int sig = ifmgd->ave_beacon_signal / 16;
int last_sig = ifmgd->last_ave_beacon_signal;
struct ieee80211_event event = {
.type = RSSI_EVENT,