diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2011-02-04 06:57:45 -0800 |
|---|---|---|
| committer |   Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-02-06 09:30:54 -0800 |
| commit | 2f115cf24ea3f5010f7361d2098545edf7a07add (patch) | |
| tree | e545611c15def73064504feb1825715dd5712acb /drivers | |
| parent | mac80211: Optimize scans on current operating channel. (diff) | |
| download | linux-dev-2f115cf24ea3f5010f7361d2098545edf7a07add.tar.xz linux-dev-2f115cf24ea3f5010f7361d2098545edf7a07add.zip | |
iwlwifi: remove unnecessary locking
This code, and the places that set the variable
is_internal_short_scan and the vif pointers are
all protected by the mutex, there's no point in
locking the spinlock here as well (any more).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 3 |
2 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index d4ba3357b628..3aa486437509 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -1395,15 +1395,12 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) u32 extra; u32 suspend_time = 100; u32 scan_suspend_time = 100; - unsigned long flags; IWL_DEBUG_INFO(priv, "Scanning while associated...\n"); - spin_lock_irqsave(&priv->lock, flags); if (priv->is_internal_short_scan) interval = 0; else interval = vif->bss_conf.beacon_int; - spin_unlock_irqrestore(&priv->lock, flags); scan->suspend_time = 0; scan->max_out_time = cpu_to_le32(200 * 1024); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 76fae81ddc4b..adcef735180a 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2860,16 +2860,13 @@ int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) u32 extra; u32 suspend_time = 100; u32 scan_suspend_time = 100; - unsigned long flags; IWL_DEBUG_INFO(priv, "Scanning while associated...\n"); - spin_lock_irqsave(&priv->lock, flags); if (priv->is_internal_short_scan) interval = 0; else interval = vif->bss_conf.beacon_int; - spin_unlock_irqrestore(&priv->lock, flags); scan->suspend_time = 0; scan->max_out_time = cpu_to_le32(200 * 1024); |