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mac80211: fix WMM AP settings application

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commit 0183826b58 upstream.

My
  commit 77fdaa12ce
  Author: Johannes Berg <johannes@sipsolutions.net>
  Date:   Tue Jul 7 03:45:17 2009 +0200

      mac80211: rework MLME for multiple authentications

inadvertedly broke WMM because it removed, along with
a bunch of other now useless initialisations, the line
initialising sdata->u.mgd.wmm_last_param_set to -1
which would make it adopt any WMM parameter set. If,
as is usually the case, the AP uses WMM parameter set
sequence number zero, we'd never update it until the
AP changes the sequence number.

Add the missing initialisation back to get the WMM
settings from the AP applied locally.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johannes Berg
2009-12-17 16:16:53 +01:00
committed by Greg Kroah-Hartman
parent 330b9373f9
commit 0b41c5a957
1 changed files with 8 additions and 0 deletions
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8
net/mac80211/mlme.c
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@@ -904,6 +904,14 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
IEEE80211_STA_BEACON_POLL);
/*
* Always handle WMM once after association regardless
* of the first value the AP uses. Setting -1 here has
* that effect because the AP values is an unsigned
* 4-bit value.
*/
sdata->u.mgd.wmm_last_param_set = -1;
ieee80211_led_assoc(local, 1);
sdata->vif.bss_conf.assoc = 1;