--- a/net80211/ieee80211_scan.c
+++ b/net80211/ieee80211_scan.c
@@ -97,7 +97,7 @@ struct scan_state {
 static void scan_restart_pwrsav(unsigned long);
 static void scan_next(unsigned long);
 
-spinlock_t channel_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(channel_lock);
 static LIST_HEAD(channels_inuse);
 
 struct channel_inuse {
