From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Subject: [KJ] [PATCH] drivers/net/pcmcia/3c589_cs.c : Use of time_befor macro

Use of time_before() macro, defined at linux/jiffies.h, which deal with
wrapping correctly and are nicer to read.

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

---
 3c589_cs.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

Index: quilt/drivers/net/pcmcia/3c589_cs.c
===================================================================
--- quilt.orig/drivers/net/pcmcia/3c589_cs.c
+++ quilt/drivers/net/pcmcia/3c589_cs.c
@@ -39,6 +39,7 @@
 #include <linux/if_arp.h>
 #include <linux/ioport.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
@@ -844,7 +845,7 @@ static void media_check(unsigned long ar
     media = inw(ioaddr+WN4_MEDIA) & 0xc810;
 
     /* Ignore collisions unless we've had no irq's recently */
-    if (jiffies - lp->last_irq < HZ) {
+    if (time_before(jiffies, lp->last_irq + HZ)) {
 	media &= ~0x0010;
     } else {
 	/* Try harder to detect carrier errors */