- }
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc:cy_close ttyC%d, count = %d\n", info->line,
- info->port.count);
-#endif
- if ((tty->count == 1) && (info->port.count != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk(KERN_ERR "cyc:cy_close: bad serial port count; "
- "tty->count is 1, info->port.count is %d\n", info->port.count);
- info->port.count = 1;
- }
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cy_close at (%d): decrementing count to %d\n",
- current->pid, info->port.count - 1);
-#endif
- if (--info->port.count < 0) {
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cyc_close setting count to 0\n");
-#endif
- info->port.count = 0;
- }
- if (info->port.count) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- return;
- }
- info->port.flags |= ASYNC_CLOSING;
-
- /*
- * Now we wait for the transmit buffer to clear; and we notify
- * the line discipline to only process XON/XOFF characters.
- */
- tty->closing = 1;
- spin_unlock_irqrestore(&card->card_lock, flags);
- if (info->port.closing_wait != CY_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, info->port.closing_wait);