summaryrefslogtreecommitdiff
path: root/drivers/isdn
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn')
-rw-r--r--drivers/isdn/gigaset/interface.c10
-rw-r--r--drivers/isdn/i4l/isdn_tty.c39
2 files changed, 17 insertions, 32 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 6dcecd40a819..0fbf4f215d86 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -562,16 +562,8 @@ void gigaset_if_free(struct cardstate *cs)
void gigaset_if_receive(struct cardstate *cs,
unsigned char *buffer, size_t len)
{
- struct tty_struct *tty = tty_port_tty_get(&cs->port);
-
- if (tty == NULL) {
- gig_dbg(DEBUG_IF, "receive on closed device");
- return;
- }
-
tty_insert_flip_string(&cs->port, buffer, len);
- tty_flip_buffer_push(tty);
- tty_kref_put(tty);
+ tty_flip_buffer_push(&cs->port);
}
EXPORT_SYMBOL_GPL(gigaset_if_receive);
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 9bb9986659e4..d8a7d8323414 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -63,16 +63,11 @@ isdn_tty_try_read(modem_info *info, struct sk_buff *skb)
struct tty_port *port = &info->port;
int c;
int len;
- struct tty_struct *tty;
char last;
if (!info->online)
return 0;
- tty = port->tty;
- if (!tty)
- return 0;
-
if (!(info->mcr & UART_MCR_RTS))
return 0;
@@ -110,7 +105,7 @@ isdn_tty_try_read(modem_info *info, struct sk_buff *skb)
tty_insert_flip_char(port, last, 0xFF);
else
tty_insert_flip_char(port, last, TTY_NORMAL);
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
kfree_skb(skb);
return 1;
@@ -127,7 +122,6 @@ isdn_tty_readmodem(void)
int midx;
int i;
int r;
- struct tty_struct *tty;
modem_info *info;
for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
@@ -145,20 +139,21 @@ isdn_tty_readmodem(void)
if ((info->vonline & 1) && (info->emu.vpar[1]))
isdn_audio_eval_silence(info);
#endif
- tty = info->port.tty;
- if (tty) {
- if (info->mcr & UART_MCR_RTS) {
- /* CISCO AsyncPPP Hack */
- if (!(info->emu.mdmreg[REG_CPPP] & BIT_CPPP))
- r = isdn_readbchan_tty(info->isdn_driver, info->isdn_channel, &info->port, 0);
- else
- r = isdn_readbchan_tty(info->isdn_driver, info->isdn_channel, &info->port, 1);
- if (r)
- tty_flip_buffer_push(tty);
- } else
- r = 1;
+ if (info->mcr & UART_MCR_RTS) {
+ /* CISCO AsyncPPP Hack */
+ if (!(info->emu.mdmreg[REG_CPPP] & BIT_CPPP))
+ r = isdn_readbchan_tty(info->isdn_driver,
+ info->isdn_channel,
+ &info->port, 0);
+ else
+ r = isdn_readbchan_tty(info->isdn_driver,
+ info->isdn_channel,
+ &info->port, 1);
+ if (r)
+ tty_flip_buffer_push(&info->port);
} else
r = 1;
+
if (r) {
info->rcvsched = 0;
resched = 1;
@@ -2230,7 +2225,6 @@ isdn_tty_stat_callback(int i, isdn_ctrl *c)
void
isdn_tty_at_cout(char *msg, modem_info *info)
{
- struct tty_struct *tty;
struct tty_port *port = &info->port;
atemu *m = &info->emu;
char *p;
@@ -2248,8 +2242,7 @@ isdn_tty_at_cout(char *msg, modem_info *info)
l = strlen(msg);
spin_lock_irqsave(&info->readlock, flags);
- tty = port->tty;
- if ((port->flags & ASYNC_CLOSING) || (!tty)) {
+ if (port->flags & ASYNC_CLOSING) {
spin_unlock_irqrestore(&info->readlock, flags);
return;
}
@@ -2301,7 +2294,7 @@ isdn_tty_at_cout(char *msg, modem_info *info)
} else {
spin_unlock_irqrestore(&info->readlock, flags);
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
}
}