Update compat-wireless to 2.6.36-5-spn

chromeos/compat-wireless/net/wireless/scan.c

 /*
  * cfg80211 scan result handling
  *
  * Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
  */
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
@@ skipping 642 matching lines @@
 {
         struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy);
         struct cfg80211_internal_bss *bss;
 
         if (WARN_ON(!pub))
                 return;
 
         bss = container_of(pub, struct cfg80211_internal_bss, pub);
 
         spin_lock_bh(&dev->bss_lock);
+        if (!list_empty(&bss->list)) {
+                list_del_init(&bss->list);
+                dev->bss_generation++;
+                rb_erase(&bss->rbn, &dev->bss_tree);
 
-        list_del(&bss->list);
-        dev->bss_generation++;
-        rb_erase(&bss->rbn, &dev->bss_tree);
-
+                kref_put(&bss->ref, bss_release);
+        }
         spin_unlock_bh(&dev->bss_lock);
-
-        kref_put(&bss->ref, bss_release);
 }
 EXPORT_SYMBOL(cfg80211_unlink_bss);
 
 #ifdef CONFIG_CFG80211_WEXT
 int cfg80211_wext_siwscan(struct net_device *dev,
                           struct iw_request_info *info,
                           union iwreq_data *wrqu, char *extra)
 {
         struct cfg80211_registered_device *rdev;
         struct wiphy *wiphy;
@@ skipping 427 matching lines @@
                 data->length = res;
                 res = 0;
         }
 
  out:
         cfg80211_unlock_rdev(rdev);
         return res;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan);
 #endif