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path: root/drivers/net/ppp/ppp_synctty.c
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Diffstat (limited to 'drivers/net/ppp/ppp_synctty.c')
-rw-r--r--drivers/net/ppp/ppp_synctty.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/net/ppp/ppp_synctty.c b/drivers/net/ppp/ppp_synctty.c
index 0f338752c38b..18283b7b94bc 100644
--- a/drivers/net/ppp/ppp_synctty.c
+++ b/drivers/net/ppp/ppp_synctty.c
@@ -90,11 +90,11 @@ static struct sk_buff* ppp_sync_txmunge(struct syncppp *ap, struct sk_buff *);
static int ppp_sync_send(struct ppp_channel *chan, struct sk_buff *skb);
static int ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd,
unsigned long arg);
-static void ppp_sync_process(unsigned long arg);
+static void ppp_sync_process(struct tasklet_struct *t);
static int ppp_sync_push(struct syncppp *ap);
static void ppp_sync_flush_output(struct syncppp *ap);
static void ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
- char *flags, int count);
+ const char *flags, int count);
static const struct ppp_channel_ops sync_ops = {
.start_xmit = ppp_sync_send,
@@ -177,7 +177,7 @@ ppp_sync_open(struct tty_struct *tty)
ap->raccm = ~0U;
skb_queue_head_init(&ap->rqueue);
- tasklet_init(&ap->tsk, ppp_sync_process, (unsigned long) ap);
+ tasklet_setup(&ap->tsk, ppp_sync_process);
refcount_set(&ap->refcnt, 1);
init_completion(&ap->dead_cmp);
@@ -245,10 +245,9 @@ ppp_sync_close(struct tty_struct *tty)
* Wait for I/O to driver to complete and unregister PPP channel.
* This is already done by the close routine, so just call that.
*/
-static int ppp_sync_hangup(struct tty_struct *tty)
+static void ppp_sync_hangup(struct tty_struct *tty)
{
ppp_sync_close(tty);
- return 0;
}
/*
@@ -257,7 +256,8 @@ static int ppp_sync_hangup(struct tty_struct *tty)
*/
static ssize_t
ppp_sync_read(struct tty_struct *tty, struct file *file,
- unsigned char __user *buf, size_t count)
+ unsigned char *buf, size_t count,
+ void **cookie, unsigned long offset)
{
return -EAGAIN;
}
@@ -274,8 +274,7 @@ ppp_sync_write(struct tty_struct *tty, struct file *file,
}
static int
-ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
+ppp_synctty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
{
struct syncppp *ap = sp_get(tty);
int __user *p = (int __user *)arg;
@@ -303,7 +302,7 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
/* flush our buffers and the serial port's buffer */
if (arg == TCIOFLUSH || arg == TCOFLUSH)
ppp_sync_flush_output(ap);
- err = n_tty_ioctl_helper(tty, file, cmd, arg);
+ err = n_tty_ioctl_helper(tty, cmd, arg);
break;
case FIONREAD:
@@ -314,7 +313,7 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
break;
default:
- err = tty_mode_ioctl(tty, file, cmd, arg);
+ err = tty_mode_ioctl(tty, cmd, arg);
break;
}
@@ -332,7 +331,7 @@ ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
/* May sleep, don't call from interrupt level or with interrupts disabled */
static void
ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
- char *cflags, int count)
+ const char *cflags, int count)
{
struct syncppp *ap = sp_get(tty);
unsigned long flags;
@@ -364,7 +363,7 @@ ppp_sync_wakeup(struct tty_struct *tty)
static struct tty_ldisc_ops ppp_sync_ldisc = {
.owner = THIS_MODULE,
- .magic = TTY_LDISC_MAGIC,
+ .num = N_SYNC_PPP,
.name = "pppsync",
.open = ppp_sync_open,
.close = ppp_sync_close,
@@ -382,7 +381,7 @@ ppp_sync_init(void)
{
int err;
- err = tty_register_ldisc(N_SYNC_PPP, &ppp_sync_ldisc);
+ err = tty_register_ldisc(&ppp_sync_ldisc);
if (err != 0)
printk(KERN_ERR "PPP_sync: error %d registering line disc.\n",
err);
@@ -480,9 +479,9 @@ ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg)
* to the ppp_generic code, and to tell the ppp_generic code
* if we can accept more output now.
*/
-static void ppp_sync_process(unsigned long arg)
+static void ppp_sync_process(struct tasklet_struct *t)
{
- struct syncppp *ap = (struct syncppp *) arg;
+ struct syncppp *ap = from_tasklet(ap, t, tsk);
struct sk_buff *skb;
/* process received packets */
@@ -665,7 +664,7 @@ ppp_sync_flush_output(struct syncppp *ap)
*/
static void
ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
- char *flags, int count)
+ const char *flags, int count)
{
struct sk_buff *skb;
unsigned char *p;
@@ -726,8 +725,7 @@ err:
static void __exit
ppp_sync_cleanup(void)
{
- if (tty_unregister_ldisc(N_SYNC_PPP) != 0)
- printk(KERN_ERR "failed to unregister Sync PPP line discipline\n");
+ tty_unregister_ldisc(&ppp_sync_ldisc);
}
module_init(ppp_sync_init);