[PATCH] drivers/net/tokenring/lanstreamer.c: 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/tokenring/lanstreamer.c
===================================================================
--- linux-kj.orig/drivers/net/tokenring/lanstreamer.c	2005-10-11 18:37:41.000000000 +0400
+++ linux-kj/drivers/net/tokenring/lanstreamer.c	2005-10-11 18:37:56.000000000 +0400
@@ -123,6 +123,7 @@
 #include <linux/version.h>
 #include <linux/bitops.h>
 #include <linux/wait.h>
+#include <linux/jiffies.h>
 
 #include <net/checksum.h>
 
@@ -513,7 +514,7 @@ static int streamer_reset(struct net_dev
 
 	while (!((readw(streamer_mmio + SISR)) & SISR_SRB_REPLY)) {
 		msleep_interruptible(100);
-		if (jiffies - t > 40 * HZ) {
+		if (time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR
 			       "IBM PCI tokenring card not responding\n");
 			release_region(dev->base_addr, STREAMER_IO_SPACE);