[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/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 97712c3c4e07..c58a4c31d0dd 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -122,6 +122,7 @@
 #include <linux/spinlock.h>
 #include <linux/version.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <net/checksum.h>
 
@@ -512,7 +513,7 @@ static int streamer_reset(struct net_device *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);