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 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 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 @@
 			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;
 		}
 	}