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isdn4linux
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Fixed blocking open, patch from Herbert Nachtnebel.

This commit is contained in:
Armin Schindler 2000-05-21 10:46:32 +00:00
parent 7c6d5ae19a
commit 74ed9373c9
1 changed files with 11 additions and 1 deletions
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12
drivers/isdn/isdn_tty.c
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@ -2383,11 +2383,21 @@ isdn_tty_stat_callback(int i, isdn_ctrl *c)
#ifdef ISDN_TTY_STAT_DEBUG
printk(KERN_DEBUG "tty_STAT_BCONN ttyI%d\n", info->line);
#endif
/* Wake up any processes waiting
* for incoming call of this device when
* DCD follow the state of incoming carrier
*/
if (info->blocked_open &&
(info->emu.mdmreg[REG_DCD] & BIT_DCD)) {
wake_up_interruptible(&info->open_wait);
}
/* Schedule CONNECT-Message to any tty
* waiting for it and
* set DCD-bit of its modem-status.
*/
if (TTY_IS_ACTIVE(info)) {
if (TTY_IS_ACTIVE(info) ||
(info->blocked_open && (info->emu.mdmreg[REG_DCD] & BIT_DCD))) {
info->msr |= UART_MSR_DCD;
info->emu.charge = 0;
if (info->dialing & 0xf)