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iwlwifi: clear scanning bits upon failure

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In iwl_bg_request_scan function, if we could not send a
scan command it will go to done.
In done it does the right thing to call mac80211 with
scan complete, but the problem is STATUS_SCAN_HW is still
set causing any future scan to fail. Fix by clearing the scanning status
bits if scan fails.

Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohamed Abbas 2008-10-23 23:48:54 -07:00 committed by John W. Linville
parent 934f6c3f8e
commit 502c12e1ef
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/iwlwifi/iwl-scan.c
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@ -896,6 +896,13 @@ static void iwl_bg_request_scan(struct work_struct *data)
return; return;
done: done:
/* Cannot perform scan. Make sure we clear scanning
* bits from status so next scan request can be performed.
* If we don't clear scanning status bit here all next scan
* will fail
*/
clear_bit(STATUS_SCAN_HW, &priv->status);
clear_bit(STATUS_SCANNING, &priv->status);
/* inform mac80211 scan aborted */ /* inform mac80211 scan aborted */
queue_work(priv->workqueue, &priv->scan_completed); queue_work(priv->workqueue, &priv->scan_completed);
mutex_unlock(&priv->mutex); mutex_unlock(&priv->mutex);