diff -ur linux-2.4.28/drivers/char/moxa.c linux-2.4.28.plasmaroo/drivers/char/moxa.c
--- linux-2.4.28/drivers/char/moxa.c	2001-10-25 21:53:47.000000000 +0100
+++ linux-2.4.28.plasmaroo/drivers/char/moxa.c	2005-01-08 02:54:49.195636192 +0000
@@ -1771,6 +1771,8 @@
 		return -EFAULT;
 	if(dltmp.cardno < 0 || dltmp.cardno >= MAX_BOARDS)
 		return -EINVAL;
+	if(dltmp.len < 0 || dltmp.len > sizeof(moxaBuff))
+		return -EINVAL;
 
 	switch(cmd)
 	{
@@ -2927,8 +2929,6 @@
 	unsigned long baseAddr;
 	int i;
 
-	if(len > sizeof(moxaBuff))
-		return -EINVAL;
 	if(copy_from_user(moxaBuff, tmp, len))
 		return -EFAULT;
 	baseAddr = moxaBaseAddr[cardno];
diff -ur linux-2.4.28/drivers/char/random.c linux-2.4.28.plasmaroo/drivers/char/random.c
--- linux-2.4.28/drivers/char/random.c	2004-11-17 11:54:21.000000000 +0000
+++ linux-2.4.28.plasmaroo/drivers/char/random.c	2005-01-08 02:54:49.198635736 +0000
@@ -1787,7 +1787,7 @@
 			     void *oldval, size_t *oldlenp,
 			     void *newval, size_t newlen, void **context)
 {
-	int	len;
+	size_t	len;
 	
 	sysctl_poolsize = random_state->poolinfo.POOLBYTES;