[PATCH] eth16i: use time_after() macro

From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>

It deals with wrapping correctly and is nicer to read.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/net/eth16i.c
===================================================================
--- linux-kj.orig/drivers/net/eth16i.c	2005-10-28 16:25:05.000000000 +0400
+++ linux-kj/drivers/net/eth16i.c	2005-10-28 16:31:26.000000000 +0400
@@ -161,6 +161,7 @@ static char *version = 
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <asm/system.h>		  
 #include <asm/io.h>		  
@@ -754,7 +755,7 @@ static void eth16i_set_port(int ioaddr, 
 
 static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l)
 {
-	int starttime;
+	unsigned long starttime;
 
 	outb(0xff, ioaddr + TX_STATUS_REG);
 
@@ -765,7 +766,7 @@ static int eth16i_send_probe_packet(int 
 	outb(TX_START | 1, ioaddr + TRANSMIT_START_REG); 
 
 	while( (inb(ioaddr + TX_STATUS_REG) & 0x80) == 0) {
-		if( (jiffies - starttime) > TX_TIMEOUT) {
+		if(time_after(jiffies, starttime + TX_TIMEOUT)) {
 			return -1;
 		}
 	}
@@ -775,18 +776,19 @@ static int eth16i_send_probe_packet(int 
 
 static int eth16i_receive_probe_packet(int ioaddr)
 {
-	int starttime;
+	unsigned long starttime;
 
 	starttime = jiffies;
 
 	while((inb(ioaddr + TX_STATUS_REG) & 0x20) == 0) {
-		if( (jiffies - starttime) > TX_TIMEOUT) {
+		if (time_after(jiffies, starttime + TX_TIMEOUT)) {
 
 			if(eth16i_debug > 1)
 				printk(KERN_DEBUG "Timeout occurred waiting transmit packet received\n");
 			starttime = jiffies;
 			while((inb(ioaddr + RX_STATUS_REG) & 0x80) == 0) {
-				if( (jiffies - starttime) > TX_TIMEOUT) {
+				if (time_after(jiffies,
+						starttime + TX_TIMEOUT)) {
 					if(eth16i_debug > 1)
 						printk(KERN_DEBUG "Timeout occurred waiting receive packet\n");
 					return -1;