Patch "mac80211: reset profile_periodicity/ema_ap" has been added to the 5.12-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    mac80211: reset profile_periodicity/ema_ap

to the 5.12-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     mac80211-reset-profile_periodicity-ema_ap.patch
and it can be found in the queue-5.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit dffee9d13446cea7679b160471d097494e76df26
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Date:   Fri Jun 18 13:41:49 2021 +0300

    mac80211: reset profile_periodicity/ema_ap
    
    [ Upstream commit bbc6f03ff26e7b71d6135a7b78ce40e7dee3d86a ]
    
    Apparently we never clear these values, so they'll remain set
    since the setting of them is conditional. Clear the values in
    the relevant other cases.
    
    Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
    Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
    Link: https://lore.kernel.org/r/iwlwifi.20210618133832.316e32d136a9.I2a12e51814258e1e1b526103894f4b9f19a91c8d@changeid
    Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0fe91dc9817e..437d88822d8f 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4062,10 +4062,14 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 		if (elems.mbssid_config_ie)
 			bss_conf->profile_periodicity =
 				elems.mbssid_config_ie->profile_periodicity;
+		else
+			bss_conf->profile_periodicity = 0;
 
 		if (elems.ext_capab_len >= 11 &&
 		    (elems.ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
 			bss_conf->ema_ap = true;
+		else
+			bss_conf->ema_ap = false;
 
 		/* continue assoc process */
 		ifmgd->assoc_data->timeout = jiffies;
@@ -5802,12 +5806,16 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 					      beacon_ies->data, beacon_ies->len);
 		if (elem && elem->datalen >= 3)
 			sdata->vif.bss_conf.profile_periodicity = elem->data[2];
+		else
+			sdata->vif.bss_conf.profile_periodicity = 0;
 
 		elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY,
 					  beacon_ies->data, beacon_ies->len);
 		if (elem && elem->datalen >= 11 &&
 		    (elem->data[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
 			sdata->vif.bss_conf.ema_ap = true;
+		else
+			sdata->vif.bss_conf.ema_ap = false;
 	} else {
 		assoc_data->timeout = jiffies;
 		assoc_data->timeout_started = true;