diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2018-12-10 22:52:56 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-14 13:27:10 -0800 |
| commit | c2c79a32fb860ee374afe58fee6d67ab6aa83081 (patch) | |
| tree | 0d3fc5726ce5708416cb43181c5b575be1432535 /drivers/net/hamradio | |
| parent | 2aa55dccf83d7ca9f1da59ae005426c44fbeb890 (diff) | |
hamradio, ppp: change semaphore to completion
ppp and hamradio have copies of the same code that uses a semaphore
in place of a completion for historic reasons. Make it use the
proper interface instead in all copies.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hamradio')
| -rw-r--r-- | drivers/net/hamradio/6pack.c | 10 | ||||
| -rw-r--r-- | drivers/net/hamradio/mkiss.c | 8 |
2 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 17e6dcd2eb42..28c749980359 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); } /* @@ -576,7 +576,7 @@ 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 +670,10 @@ 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); diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 802233d41b25..4938cf4c184c 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -81,7 +81,7 @@ struct mkiss { #define CRC_MODE_SMACK_TEST 4 atomic_t refcnt; - struct semaphore dead_sem; + struct completion dead; }; /*---------------------------------------------------------------------------*/ @@ -687,7 +687,7 @@ static struct mkiss *mkiss_get(struct tty_struct *tty) static void mkiss_put(struct mkiss *ax) { if (atomic_dec_and_test(&ax->refcnt)) - up(&ax->dead_sem); + complete(&ax->dead); } static int crc_force = 0; /* Can be overridden with insmod */ @@ -715,7 +715,7 @@ static int mkiss_open(struct tty_struct *tty) spin_lock_init(&ax->buflock); atomic_set(&ax->refcnt, 1); - sema_init(&ax->dead_sem, 0); + init_completion(&ax->dead); ax->tty = tty; tty->disc_data = ax; @@ -795,7 +795,7 @@ static void mkiss_close(struct tty_struct *tty) * we have to wait for all existing users to finish. */ if (!atomic_dec_and_test(&ax->refcnt)) - down(&ax->dead_sem); + wait_for_completion(&ax->dead); /* * Halt the transmit queue so that a new transmit cannot scribble * on our buffers |