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, 11 deletions

diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index 452873e7c68f..f5a17ad9d3d6 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);
 }