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mac80211: Fix condition validating WMM IE

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[ Upstream commit 911a26484c33e10de6237228ca1d7293548e9f49 ]

Commit c470bdc1aaf3 ("mac80211: don't WARN on bad WMM parameters from
buggy APs") handled cases where an AP reports a zeroed WMM
IE. However, the condition that checks the validity accessed the wrong
index in the ieee80211_tx_queue_params array, thus wrongly deducing
that the parameters are invalid. Fix it.

Fixes: c470bdc1aaf3 ("mac80211: don't WARN on bad WMM parameters from buggy APs")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ilan Peer 2018-04-03 11:35:22 +03:00 committed by Greg Kroah-Hartman
parent 603bd4dc73
commit 8f8a5a9be2
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/mlme.c
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@ -1861,7 +1861,7 @@ static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
params[ac].acm = acm;
params[ac].uapsd = uapsd;
if (params->cw_min == 0 ||
if (params[ac].cw_min == 0 ||
params[ac].cw_min > params[ac].cw_max) {
sdata_info(sdata,
"AP has invalid WMM params (CWmin/max=%d/%d for ACI %d), using defaults\n",