diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 9c446a7..252f110 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -26,6 +26,7 @@
 
 #include <linux/skbuff.h>
 #include <linux/init.h>
+#include <linux/fs.h>
 #include <linux/seq_file.h>
 
 #include <asm/byteorder.h>