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-rw-r--r--drivers/net/hamradio/baycom_epp.c13
-rw-r--r--drivers/net/hamradio/hdlcdrv.c13
-rw-r--r--drivers/net/hamradio/yam.c11
3 files changed, 6 insertions, 31 deletions
diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 153b6dc80af..84aa2117c0e 100644
--- 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 452873e7c68..f5a17ad9d3d 100644
--- 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 08f27119a80..ee3ea4fa729 100644
--- 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);