[PATCH] drivers/net/*: use time_after() and friends

They deal with wrapping correctly and are nicer to read.  Also make
jiffies-holding variables unsigned long.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/oaknet.c b/drivers/net/oaknet.c
index 62167a29debe..d0f686d6eaaa 100644
--- a/drivers/net/oaknet.c
+++ b/drivers/net/oaknet.c
@@ -20,6 +20,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/init.h>
+#include <linux/jiffies.h>
 
 #include <asm/board.h>
 #include <asm/io.h>
@@ -606,7 +607,7 @@ retry:
 #endif
 
         while ((ei_ibp(base + EN0_ISR) & ENISR_RDC) == 0) {
-                if (jiffies - start > OAKNET_WAIT) {
+                if (time_after(jiffies, start + OAKNET_WAIT)) {
                         printk("%s: timeout waiting for Tx RDC.\n", dev->name);
                         oaknet_reset_8390(dev);
                         NS8390_init(dev, TRUE);