Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8b5b46718113166b5f6bcdf40e67ea867461e209
Commit:     8b5b46718113166b5f6bcdf40e67ea867461e209
Parent:     22747d6b41f31c71abc2b351bc9f6bfa6bae5d5e
Author:     Ralf Baechle <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 16 11:55:33 2007 +0000
Committer:  Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Feb 20 11:18:13 2007 -0500

    Replace local random function with random32()
    
    Signed-off-by: Joe Perches <[EMAIL PROTECTED]>
    Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
    Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
 drivers/net/hamradio/baycom_epp.c |   13 ++-----------
 drivers/net/hamradio/hdlcdrv.c    |   13 ++-----------
 drivers/net/hamradio/yam.c        |   11 ++---------
 3 files changed, 6 insertions(+), 31 deletions(-)

diff --git a/drivers/net/hamradio/baycom_epp.c 
b/drivers/net/hamradio/baycom_epp.c
index 153b6dc..84aa211 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 452873e..f5a17ad 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 08f2711..ee3ea4f 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);
-
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