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wil6210: fix privacy flag calculation in change_beacon

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Currently the privacy flag calculation in change_beacon
checks for RSN IE inside proberesp_ies, but normally it
is not found there. It works today because of code inside
the function wil_fix_bcon, but wil_fix_bcon is not directly
related to change_beacon, and it may be changed or removed
in the future and break the calculation.
To fix this issue, change the privacy flag calculation
to check RSN IE inside the beacon itself. The new check is more
reliable and will not be sensitive to changes in wil_fix_bcon.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Lior David 2016-01-17 12:39:06 +02:00 committed by Kalle Valo
parent aea57edf80
commit c5a157e4d7
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/ath/wil6210/cfg80211.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
* Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -828,9 +828,9 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
wil_print_bcon_data(bcon);
}
if (bcon->proberesp_ies &&
cfg80211_find_ie(WLAN_EID_RSN, bcon->proberesp_ies,
bcon->proberesp_ies_len))
if (bcon->tail &&
cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
bcon->tail_len))
privacy = 1;
/* in case privacy has changed, need to restart the AP */