[PATCH] Use time_before in hamradio drivers

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>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org>

 baycom_epp.c     |    3 ++-
 baycom_par.c     |    3 ++-
 baycom_ser_fdx.c |    3 ++-
 baycom_ser_hdx.c |    3 ++-
 mkiss.c          |    3 ++-
 5 files changed, 10 insertions(+), 5 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

5 files changed, 10 insertions, 5 deletions

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index a7f15d9f13e5..5298096afbdb 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -54,6 +54,7 @@
 #include <linux/kmod.h>
 #include <linux/hdlcdrv.h>
 #include <linux/baycom.h>
+#include <linux/jiffies.h>
 #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
 /* prototypes for ax25_encapsulate and ax25_rebuild_header */
 #include <net/ax25.h> 
@@ -287,7 +288,7 @@ static inline void baycom_int_freq(struct baycom_state *bc)
          * measure the interrupt frequency
          */
         bc->debug_vals.cur_intcnt++;
-        if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
+        if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
                 bc->debug_vals.last_jiffies = cur_jiffies;
                 bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
                 bc->debug_vals.cur_intcnt = 0;
diff --git a/drivers/net/hamradio/baycom_par.c b/drivers/net/hamradio/baycom_par.c
index 612ad452bee0..3b1bef1ee215 100644
--- a/drivers/net/hamradio/baycom_par.c
+++ b/drivers/net/hamradio/baycom_par.c
@@ -84,6 +84,7 @@
 #include <linux/baycom.h>
 #include <linux/parport.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <asm/bug.h>
 #include <asm/system.h>
@@ -165,7 +166,7 @@ static void __inline__ baycom_int_freq(struct baycom_state *bc)
          * measure the interrupt frequency
          */
         bc->debug_vals.cur_intcnt++;
-        if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
+        if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
                 bc->debug_vals.last_jiffies = cur_jiffies;
                 bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
                 bc->debug_vals.cur_intcnt = 0;
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c
index 25f270b05378..232793d2ce6b 100644
--- a/drivers/net/hamradio/baycom_ser_fdx.c
+++ b/drivers/net/hamradio/baycom_ser_fdx.c
@@ -79,6 +79,7 @@
 #include <asm/io.h>
 #include <linux/hdlcdrv.h>
 #include <linux/baycom.h>
+#include <linux/jiffies.h>
 
 /* --------------------------------------------------------------------- */
 
@@ -159,7 +160,7 @@ static inline void baycom_int_freq(struct baycom_state *bc)
          * measure the interrupt frequency
          */
         bc->debug_vals.cur_intcnt++;
-        if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
+        if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
                 bc->debug_vals.last_jiffies = cur_jiffies;
                 bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
                 bc->debug_vals.cur_intcnt = 0;
diff --git a/drivers/net/hamradio/baycom_ser_hdx.c b/drivers/net/hamradio/baycom_ser_hdx.c
index eead85d00962..be596a3eb3fd 100644
--- a/drivers/net/hamradio/baycom_ser_hdx.c
+++ b/drivers/net/hamradio/baycom_ser_hdx.c
@@ -69,6 +69,7 @@
 #include <asm/io.h>
 #include <linux/hdlcdrv.h>
 #include <linux/baycom.h>
+#include <linux/jiffies.h>
 
 /* --------------------------------------------------------------------- */
 
@@ -150,7 +151,7 @@ static inline void baycom_int_freq(struct baycom_state *bc)
          * measure the interrupt frequency
          */
         bc->debug_vals.cur_intcnt++;
-        if ((cur_jiffies - bc->debug_vals.last_jiffies) >= HZ) {
+        if (time_after_eq(cur_jiffies, bc->debug_vals.last_jiffies + HZ)) {
                 bc->debug_vals.last_jiffies = cur_jiffies;
                 bc->debug_vals.last_intcnt = bc->debug_vals.cur_intcnt;
                 bc->debug_vals.cur_intcnt = 0;
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 3035422f5ad8..e94952e799fe 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -46,6 +46,7 @@
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/if_arp.h>
+#include <linux/jiffies.h>
 
 #include <net/ax25.h>
 
@@ -429,7 +430,7 @@ static int ax_xmit(struct sk_buff *skb, struct net_device *dev)
                  * May be we must check transmitter timeout here ?
                  *      14 Oct 1994 Dmitry Gorodchanin.
                  */
-                if (jiffies - dev->trans_start  < 20 * HZ) {
+                if (time_before(jiffies, dev->trans_start + 20 * HZ)) {
                         /* 20 sec timeout not reached */
                         return 1;
                 }