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Subject[patch 28/49] iwlwifi: allow consecutive scans in unassociated state
2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Ron Rindjunsky <ron.rindjunsky@intel.com>

commit 681c0050ea3ac2e90c83d5af397d73eed848a372 upstream

This patch allows consecutive scans requests when driver is in
unassociated state.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Esti Kummer <ester.kummer@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/net/wireless/iwlwifi/iwl-agn.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3214,13 +3214,15 @@ static int iwl4965_mac_hw_scan(struct ie

/* we don't schedule scan within next_scan_jiffies period */
if (priv->next_scan_jiffies &&
- time_after(priv->next_scan_jiffies, jiffies)) {
+ time_after(priv->next_scan_jiffies, jiffies)) {
+ IWL_DEBUG_SCAN("scan rejected: within next scan period\n");
rc = -EAGAIN;
goto out_unlock;
}
/* if we just finished scan ask for delay */
- if (priv->last_scan_jiffies && time_after(priv->last_scan_jiffies +
- IWL_DELAY_NEXT_SCAN, jiffies)) {
+ if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
+ time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
+ IWL_DEBUG_SCAN("scan rejected: within previous scan period\n");
rc = -EAGAIN;
goto out_unlock;
}
--


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