diff options
Diffstat (limited to 'drivers/net/hamradio/6pack.c')
-rw-r--r-- | drivers/net/hamradio/6pack.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 17e6dcd2eb42..a19868cba48c 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -120,7 +120,7 @@ struct sixpack { struct timer_list tx_t; struct timer_list resync_t; refcount_t refcnt; - struct semaphore dead_sem; + struct completion dead; spinlock_t lock; }; @@ -389,7 +389,7 @@ static struct sixpack *sp_get(struct tty_struct *tty) static void sp_put(struct sixpack *sp) { if (refcount_dec_and_test(&sp->refcnt)) - up(&sp->dead_sem); + complete(&sp->dead); } /* @@ -523,10 +523,7 @@ static void resync_tnc(struct timer_list *t) /* Start resync timer again -- the TNC might be still absent */ - - del_timer(&sp->resync_t); - sp->resync_t.expires = jiffies + SIXP_RESYNC_TIMEOUT; - add_timer(&sp->resync_t); + mod_timer(&sp->resync_t, jiffies + SIXP_RESYNC_TIMEOUT); } static inline int tnc_init(struct sixpack *sp) @@ -537,9 +534,7 @@ static inline int tnc_init(struct sixpack *sp) sp->tty->ops->write(sp->tty, &inbyte, 1); - del_timer(&sp->resync_t); - sp->resync_t.expires = jiffies + SIXP_RESYNC_TIMEOUT; - add_timer(&sp->resync_t); + mod_timer(&sp->resync_t, jiffies + SIXP_RESYNC_TIMEOUT); return 0; } @@ -576,7 +571,7 @@ static int sixpack_open(struct tty_struct *tty) spin_lock_init(&sp->lock); refcount_set(&sp->refcnt, 1); - sema_init(&sp->dead_sem, 0); + init_completion(&sp->dead); /* !!! length of the buffers. MTU is IP MTU, not PACLEN! */ @@ -670,10 +665,10 @@ static void sixpack_close(struct tty_struct *tty) * we have to wait for all existing users to finish. */ if (!refcount_dec_and_test(&sp->refcnt)) - down(&sp->dead_sem); + wait_for_completion(&sp->dead); /* We must stop the queue to avoid potentially scribbling - * on the free buffers. The sp->dead_sem is not sufficient + * on the free buffers. The sp->dead completion is not sufficient * to protect us from sp->xbuff access. */ netif_stop_queue(sp->dev); @@ -897,11 +892,8 @@ static void decode_prio_command(struct sixpack *sp, unsigned char cmd) /* if the state byte has been received, the TNC is present, so the resync timer can be reset. */ - if (sp->tnc_state == TNC_IN_SYNC) { - del_timer(&sp->resync_t); - sp->resync_t.expires = jiffies + SIXP_INIT_RESYNC_TIMEOUT; - add_timer(&sp->resync_t); - } + if (sp->tnc_state == TNC_IN_SYNC) + mod_timer(&sp->resync_t, jiffies + SIXP_INIT_RESYNC_TIMEOUT); sp->status1 = cmd & SIXP_PRIO_DATA_MASK; } |