diff -Nru a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
--- a/drivers/net/irda/irtty-sir.c	Mon Jan 26 14:37:09 2004
+++ b/drivers/net/irda/irtty-sir.c	Mon Jan 26 14:37:09 2004
@@ -353,7 +353,8 @@
 
 /*****************************************************************/
 
-DECLARE_MUTEX(irtty_sem);		/* serialize ldisc open/close with sir_dev */
+/* serialize ldisc open/close with sir_dev */
+static DECLARE_MUTEX(irtty_sem);
 
 /* notifier from sir_dev when irda% device gets opened (ifup) */