rtl8192u: ieee80211_device: Replace semaphore wx_sem with mutex

[deliverable/linux.git] / drivers / staging / rtl8192u / ieee80211 / ieee80211_wx.c

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
index 208be5fc527ae18e77ece946c25df9c05254e568..563d7fed6e1c37b222a3d92e53038a217353988c 100644 (file)
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
@@ -253,7 +253,7 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
        int i = 0;
        int err = 0;
        IEEE80211_DEBUG_WX("Getting scan\n");
-       down(&ieee->wx_sem);
+       mutex_lock(&ieee->wx_mutex);
        spin_lock_irqsave(&ieee->lock, flags);
 
        list_for_each_entry(network, &ieee->network_list, list) {
@@ -262,7 +262,7 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
                {
                        err = -E2BIG;
                        break;
-                                                                                               }
+               }
                if (ieee->scan_age == 0 ||
                    time_after(network->last_scanned + ieee->scan_age, jiffies))
                        ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
@@ -277,7 +277,7 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
        }
 
        spin_unlock_irqrestore(&ieee->lock, flags);
-       up(&ieee->wx_sem);
+       mutex_unlock(&ieee->wx_mutex);
        wrqu->data.length = ev -  extra;
        wrqu->data.flags = 0;