diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-02-16 11:55:33 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-20 11:18:13 -0500 |
| commit | 8b5b46718113166b5f6bcdf40e67ea867461e209 (patch) | |
| tree | ad0e8a3bb2ebd56938f4356e3daa608c481e0a20 /drivers/net/hamradio | |
| parent | 22747d6b41f31c71abc2b351bc9f6bfa6bae5d5e (diff) | |
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>
Diffstat (limited to 'drivers/net/hamradio')
| -rw-r--r-- | drivers/net/hamradio/baycom_epp.c | 13 | ||||
| -rw-r--r-- | drivers/net/hamradio/hdlcdrv.c | 13 | ||||
| -rw-r--r-- | 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 153b6dc80af4..84aa2117c0ee 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 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); } 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); |