[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/shaper.c b/drivers/net/shaper.c
index 221354eea21f..88e212043a43 100644
--- a/drivers/net/shaper.c
+++ b/drivers/net/shaper.c
@@ -83,6 +83,7 @@
 #include <linux/if_arp.h>
 #include <linux/init.h>
 #include <linux/if_shaper.h>
+#include <linux/jiffies.h>
 
 #include <net/dst.h>
 #include <net/arp.h>
@@ -168,7 +169,7 @@ static int shaper_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 /*
                  *      Queue over time. Spill packet.
                  */
-                if(SHAPERCB(skb)->shapeclock-jiffies > SHAPER_LATENCY) {
+                if(time_after(SHAPERCB(skb)->shapeclock,jiffies + SHAPER_LATENCY)) {
                         dev_kfree_skb(skb);
                         shaper->stats.tx_dropped++;
                 } else