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path: root/drivers/tty/mxser.c
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Diffstat (limited to 'drivers/tty/mxser.c')
-rw-r--r--drivers/tty/mxser.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 484b6a3c9b03..4c4a23674569 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -1084,6 +1084,10 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
mutex_lock(&port->mutex);
mxser_close_port(port);
mxser_flush_buffer(tty);
+ if (test_bit(ASYNCB_INITIALIZED, &port->flags)) {
+ if (C_HUPCL(tty))
+ tty_port_lower_dtr_rts(port);
+ }
mxser_shutdown_port(port);
clear_bit(ASYNCB_INITIALIZED, &port->flags);
mutex_unlock(&port->mutex);
@@ -1614,8 +1618,12 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
if (ip->type == PORT_16550A)
me->fifo[p] = 1;
- opmode = inb(ip->opmode_ioaddr)>>((p % 4) * 2);
- opmode &= OP_MODE_MASK;
+ if (ip->board->chip_flag == MOXA_MUST_MU860_HWID) {
+ opmode = inb(ip->opmode_ioaddr)>>((p % 4) * 2);
+ opmode &= OP_MODE_MASK;
+ } else {
+ opmode = RS232_MODE;
+ }
me->iftype[p] = opmode;
mutex_unlock(&port->mutex);
}
@@ -1672,6 +1680,9 @@ static int mxser_ioctl(struct tty_struct *tty,
int shiftbit;
unsigned char val, mask;
+ if (info->board->chip_flag != MOXA_MUST_MU860_HWID)
+ return -EFAULT;
+
p = tty->index % 4;
if (cmd == MOXA_SET_OP_MODE) {
if (get_user(opmode, (int __user *) argp))
@@ -2643,9 +2654,9 @@ static int mxser_probe(struct pci_dev *pdev,
mxvar_sdriver, brd->idx + i, &pdev->dev);
if (IS_ERR(tty_dev)) {
retval = PTR_ERR(tty_dev);
- for (i--; i >= 0; i--)
+ for (; i > 0; i--)
tty_unregister_device(mxvar_sdriver,
- brd->idx + i);
+ brd->idx + i - 1);
goto err_relbrd;
}
}
@@ -2751,9 +2762,9 @@ static int __init mxser_module_init(void)
tty_dev = tty_port_register_device(&brd->ports[i].port,
mxvar_sdriver, brd->idx + i, NULL);
if (IS_ERR(tty_dev)) {
- for (i--; i >= 0; i--)
+ for (; i > 0; i--)
tty_unregister_device(mxvar_sdriver,
- brd->idx + i);
+ brd->idx + i - 1);
for (i = 0; i < brd->info->nports; i++)
tty_port_destroy(&brd->ports[i].port);
free_irq(brd->irq, brd);