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author | Ingo Molnar <mingo@elte.hu> | 2011-10-04 11:08:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-10-04 11:09:08 +0200 |
commit | 22f92bacbeea24b20e447444c28e7cad9f1ac3f8 (patch) | |
tree | 5c3f2346804a186aa2d954f078fd2f4d44bcc26e /drivers/net/wireless/iwlwifi/iwl-scan.c | |
parent | sched, tracing: Show PREEMPT_ACTIVE state in trace_sched_switch (diff) | |
parent | Merge branch 'hwmon-for-linus' of git://github.com/groeck/linux (diff) | |
download | linux-dev-22f92bacbeea24b20e447444c28e7cad9f1ac3f8.tar.xz linux-dev-22f92bacbeea24b20e447444c28e7cad9f1ac3f8.zip |
Merge branch 'linus' into sched/core
Merge reason: pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index dd6937e97055..77e528f5db88 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -405,31 +405,33 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, mutex_lock(&priv->mutex); - if (test_bit(STATUS_SCANNING, &priv->status) && - priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); - ret = -EAGAIN; - goto out_unlock; - } - - /* mac80211 will only ask for one band at a time */ - priv->scan_request = req; - priv->scan_vif = vif; - /* * If an internal scan is in progress, just set * up the scan_request as per above. */ if (priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, "SCAN request during internal scan\n"); + IWL_DEBUG_SCAN(priv, + "SCAN request during internal scan - defer\n"); + priv->scan_request = req; + priv->scan_vif = vif; ret = 0; - } else + } else { + priv->scan_request = req; + priv->scan_vif = vif; + /* + * mac80211 will only ask for one band at a time + * so using channels[0] here is ok + */ ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL, req->channels[0]->band); + if (ret) { + priv->scan_request = NULL; + priv->scan_vif = NULL; + } + } IWL_DEBUG_MAC80211(priv, "leave\n"); -out_unlock: mutex_unlock(&priv->mutex); return ret; |