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mac80211: Fix ROC duration == 0 handling 

In case the given ROC duration is 0, update it to a minimal value before
setting the ieee80211_roc_work parameters, so it also would be valid
for cases where scan is in progress or there are other ROCs queued.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2013-12-19 13:25:29 +02:00 committed by Johannes Berg
parent 1693d34416
commit 2fae062e50
1 changed files with 12 additions and 12 deletions
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24
net/mac80211/cfg.c
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@ -2628,6 +2628,18 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
if (!roc)
return -ENOMEM;
/*
* If the duration is zero, then the driver
* wouldn't actually do anything. Set it to
* 10 for now.
*
* TODO: cancel the off-channel operation
* when we get the SKB's TX status and
* the wait time was zero before.
*/
if (!duration)
duration = 10;
roc->chan = channel;
roc->duration = duration;
roc->req_duration = duration;
@ -2651,18 +2663,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
/* otherwise actually kick it off here (for error handling) */
/*
* If the duration is zero, then the driver
* wouldn't actually do anything. Set it to
* 10 for now.
*
* TODO: cancel the off-channel operation
* when we get the SKB's TX status and
* the wait time was zero before.
*/
if (!duration)
duration = 10;
ret = drv_remain_on_channel(local, sdata, channel, duration, type);
if (ret) {
kfree(roc);