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mac80211: check IEEE80211_HW_QUEUE_CONTROL in ieee80211_check_queues()

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Commit 3a25a8c8 (mac80211: add improved HW queue control) introduced a
bug when running in AP mode without the IEEE80211_HW_QUEUE_CONTROL
flag set.  The ieee80211_check_queues() function always returns
-EINVAL, preventing AP mode from starting.  To fix this, check whether
this flag is set before checking if cab_queue is set properly.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luciano Coelho 2012-04-12 16:09:49 +03:00 committed by John W. Linville
parent 8e8b41f9d8
commit bb3e10fb58
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/iface.c
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@ -163,7 +163,8 @@ static int ieee80211_check_queues(struct ieee80211_sub_if_data *sdata)
return -EINVAL;
}
if (sdata->vif.type != NL80211_IFTYPE_AP) {
if ((sdata->vif.type != NL80211_IFTYPE_AP) ||
!(sdata->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)) {
sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
return 0;
}