Replace local random function with random32()

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 153b6dc80af4c38bebcca28a4cf8afc6a4209124..84aa2117c0ee52b0f296f265317afbae773860d4 100644 (file)
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -52,6 +52,7 @@
 #include <linux/hdlcdrv.h>
 #include <linux/baycom.h>
 #include <linux/jiffies.h>
+#include <linux/random.h>
 #include <net/ax25.h> 
 #include <asm/uaccess.h>
 
@@ -433,16 +434,6 @@ static void encode_hdlc(struct baycom_state *bc)
 
 /* ---------------------------------------------------------------------- */
 
-static unsigned short random_seed;
-
-static inline unsigned short random_num(void)
-{
-       random_seed = 28629 * random_seed + 157;
-       return random_seed;
-}
-
-/* ---------------------------------------------------------------------- */
-
 static int transmit(struct baycom_state *bc, int cnt, unsigned char stat)
 {
        struct parport *pp = bc->pdev->port;
@@ -464,7 +455,7 @@ static int transmit(struct baycom_state *bc, int cnt, unsigned char stat)
                        if ((--bc->hdlctx.slotcnt) > 0)
                                return 0;
                        bc->hdlctx.slotcnt = bc->ch_params.slottime;
-                       if ((random_num() % 256) > bc->ch_params.ppersist)
+                       if ((random32() % 256) > bc->ch_params.ppersist)
                                return 0;
                }
        }

diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index 452873e7c68f5d358c2bac2c6274e58f7a868a03..f5a17ad9d3d66850abd57373d0b36f51845dfe04 100644 (file)
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -56,6 +56,7 @@
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
 #include <linux/hdlcdrv.h>
+#include <linux/random.h>
 #include <net/ax25.h> 
 #include <asm/uaccess.h>
 
@@ -371,16 +372,6 @@ static void start_tx(struct net_device *dev, struct hdlcdrv_state *s)
 
 /* ---------------------------------------------------------------------- */
 
-static unsigned short random_seed;
-
-static inline unsigned short random_num(void)
-{
-       random_seed = 28629 * random_seed + 157;
-       return random_seed;
-}
-
-/* ---------------------------------------------------------------------- */
-
 void hdlcdrv_arbitrate(struct net_device *dev, struct hdlcdrv_state *s)
 {
        if (!s || s->magic != HDLCDRV_MAGIC || s->hdlctx.ptt || !s->skb) 
@@ -396,7 +387,7 @@ void hdlcdrv_arbitrate(struct net_device *dev, struct hdlcdrv_state *s)
        if ((--s->hdlctx.slotcnt) > 0)
                return;
        s->hdlctx.slotcnt = s->ch_params.slottime;
-       if ((random_num() % 256) > s->ch_params.ppersist)
+       if ((random32() % 256) > s->ch_params.ppersist)
                return;
        start_tx(dev, s);
 }

diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 08f27119a8076fbff08caddb35780fdb89b3becb..ee3ea4fa729f370a79567dbb3432f2d5b3d37b10 100644 (file)
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -50,6 +50,7 @@
 #include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/bitops.h>
+#include <linux/random.h>
 #include <asm/io.h>
 #include <asm/system.h>
 #include <linux/interrupt.h>
@@ -566,14 +567,6 @@ static void yam_start_tx(struct net_device *dev, struct yam_port *yp)
        ptt_on(dev);
 }
 
-static unsigned short random_seed;
-
-static inline unsigned short random_num(void)
-{
-       random_seed = 28629 * random_seed + 157;
-       return random_seed;
-}
-
 static void yam_arbitrate(struct net_device *dev)
 {
        struct yam_port *yp = netdev_priv(dev);
@@ -600,7 +593,7 @@ static void yam_arbitrate(struct net_device *dev)
        yp->slotcnt = yp->slot / 10;
 
        /* is random > persist ? */
-       if ((random_num() % 256) > yp->pers)
+       if ((random32() % 256) > yp->pers)
                return;
 
        yam_start_tx(dev, yp);