--- wl/src/wl/sys/wl_linux.c	2010-12-15 03:01:09.000000000 +0100
+++ temp/src/wl/sys/wl_linux.c	2011-03-04 11:02:12.754753700 +0100
@@ -482,7 +482,11 @@
 #ifdef WL_ALL_PASSIVE
 		spin_lock_init(&wl->txq_lock);
 #endif 
-		init_MUTEX(&wl->sem);
+		#ifndef init_MUTEX
+			sema_init(&wl->sem,1);
+		#else
+			init_MUTEX(&wl->sem);
+		#endif
 	}
 
 	if (!(wl->wlc = wlc_attach((void *) wl, vendor, device, unit, wl->piomode,