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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.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index cfda47d..802a248 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -2411,14 +2411,27 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
retval = request_irq(brd->irq, mxser_interrupt, IRQF_SHARED, "mxser",
brd);
- if (retval)
+ if (retval) {
+ for (i = 0; i < brd->info->nports; i++)
+ tty_port_destroy(&brd->ports[i].port);
printk(KERN_ERR "Board %s: Request irq failed, IRQ (%d) may "
"conflict with another device.\n",
brd->info->name, brd->irq);
+ }
return retval;
}
+static void mxser_board_remove(struct mxser_board *brd)
+{
+ unsigned int i;
+
+ for (i = 0; i < brd->info->nports; i++) {
+ tty_unregister_device(mxvar_sdriver, brd->idx + i);
+ tty_port_destroy(&brd->ports[i].port);
+ }
+}
+
static int __init mxser_get_ISA_conf(int cap, struct mxser_board *brd)
{
int id, i, bits, ret;
@@ -2649,10 +2662,8 @@ static void __devexit mxser_remove(struct pci_dev *pdev)
{
#ifdef CONFIG_PCI
struct mxser_board *brd = pci_get_drvdata(pdev);
- unsigned int i;
- for (i = 0; i < brd->info->nports; i++)
- tty_unregister_device(mxvar_sdriver, brd->idx + i);
+ mxser_board_remove(brd);
free_irq(pdev->irq, brd);
pci_release_region(pdev, 2);
@@ -2748,15 +2759,13 @@ err_put:
static void __exit mxser_module_exit(void)
{
- unsigned int i, j;
+ unsigned int i;
pci_unregister_driver(&mxser_driver);
for (i = 0; i < MXSER_BOARDS; i++) /* ISA remains */
if (mxser_boards[i].info != NULL)
- for (j = 0; j < mxser_boards[i].info->nports; j++)
- tty_unregister_device(mxvar_sdriver,
- mxser_boards[i].idx + j);
+ mxser_board_remove(&mxser_boards[i]);
tty_unregister_driver(mxvar_sdriver);
put_tty_driver(mxvar_sdriver);
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