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mac80211: fix managed mode channel context use 

My commit f2d9d270c1
("mac80211: support VHT association") introduced a
very stupid bug: the loop to downgrade the channel
width never attempted to actually use it again so
it would downgrade all the way to 20_NOHT. Fix it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-02-07 20:54:51 +01:00
parent 9887dbf5b2
commit d601cd8d95
1 changed files with 4 additions and 1 deletions
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5
net/mac80211/mlme.c
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@ -3529,8 +3529,11 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
*/
ret = ieee80211_vif_use_channel(sdata, &chandef,
IEEE80211_CHANCTX_SHARED);
while (ret && chandef.width != NL80211_CHAN_WIDTH_20_NOHT)
while (ret && chandef.width != NL80211_CHAN_WIDTH_20_NOHT) {
ifmgd->flags |= chandef_downgrade(&chandef);
ret = ieee80211_vif_use_channel(sdata, &chandef,
IEEE80211_CHANCTX_SHARED);
}
return ret;
}