[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, 1 insertions, 1 deletions

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index e4188d082f01..9220de9f4fe7 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -905,7 +905,7 @@ static int epp_open(struct net_device *dev)
         /* autoprobe baud rate */
         tstart = jiffies;
         i = 0;
-        while ((signed)(jiffies-tstart-HZ/3) < 0) {
+        while (time_before(jiffies, tstart + HZ/3)) {
                 if (pp->ops->epp_read_addr(pp, &stat, 1, 0) != 1)
                         goto epptimeout;
                 if ((stat & (EPP_NRAEF|EPP_NRHF)) == EPP_NRHF) {