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>

1 files changed, 2 insertions, 9 deletions

diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 08f27119a807..ee3ea4fa729f 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);