[PATCH] ne2: use time_after()

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

It deals with wrapping correctly and is nicer to read.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/net/ne2.c
===================================================================
--- linux-kj.orig/drivers/net/ne2.c	2005-10-28 16:25:11.000000000 +0400
+++ linux-kj/drivers/net/ne2.c	2005-10-28 16:29:28.000000000 +0400
@@ -75,6 +75,7 @@ static const char *version = "ne2.c:v0.9
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -403,7 +404,7 @@ static int __init ne2_probe1(struct net_
 		outb(inb(base_addr + NE_RESET), base_addr + NE_RESET);
 
 		while ((inb_p(base_addr + EN0_ISR) & ENISR_RESET) == 0)
-			if (jiffies - reset_start_time > 2*HZ/100) {
+			if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
 				printk(" not found (no reset ack).\n");
 				retval = -ENODEV;
 				goto out;
@@ -556,7 +557,7 @@ static void ne_reset_8390(struct net_dev
 
 	/* This check _should_not_ be necessary, omit eventually. */
 	while ((inb_p(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
-		if (jiffies - reset_start_time > 2*HZ/100) {
+		if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
 			printk("%s: ne_reset_8390() did not complete.\n", 
 					dev->name);
 			break;
@@ -757,7 +758,7 @@ retry:
 #endif
 
 	while ((inb_p(nic_base + EN0_ISR) & ENISR_RDC) == 0)
-		if (jiffies - dma_start > 2*HZ/100) {		/* 20ms */
+		if (time_after(jiffies, dma_start + 2*HZ/100)) {		/* 20ms */
 			printk("%s: timeout waiting for Tx RDC.\n", dev->name);
 			ne_reset_8390(dev);
 			NS8390_init(dev,1);