--- 1.22/drivers/input/serio/serport.c	2005-04-01 12:28:01 -08:00
+++ 1.23/drivers/input/serio/serport.c	2005-04-01 12:28:01 -08:00
@@ -64,6 +64,9 @@
 	struct serio *serio;
 	char name[64];
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	serport = kmalloc(sizeof(struct serport), GFP_KERNEL);
 	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
 	if (unlikely(!serport || !serio)) {