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mac80211: clear sdata->radar_required

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If ieee80211_vif_use_channel() fails, we have to clear
sdata->radar_required (which we might have just set).

Failing to do it results in stale radar_required field
which prevents starting new scan requests.

Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Eliad Peller <eliad@wizery.com>
[use false instead of 0]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Eliad Peller 2015-02-08 12:36:07 +02:00 committed by Johannes Berg
parent f2831e2007
commit 104f5a6206
1 changed files with 5 additions and 0 deletions
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5
net/mac80211/chan.c
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@ -1508,6 +1508,8 @@ static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)
if (ieee80211_chanctx_refcount(local, ctx) == 0)
ieee80211_free_chanctx(local, ctx);
sdata->radar_required = false;
/* Unreserving may ready an in-place reservation. */
if (use_reserved_switch)
ieee80211_vif_use_reserved_switch(local);
@ -1566,6 +1568,9 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_smps_chanctx(local, ctx);
ieee80211_recalc_radar_chanctx(local, ctx);
out:
if (ret)
sdata->radar_required = false;
mutex_unlock(&local->chanctx_mtx);
return ret;
}