[PATCH 08/41] misc: pti, do the opposite of ->probe in ->remove

From: Jiri Slaby
Date: Tue Aug 07 2012 - 15:57:04 EST


Currently, probe initializes some parts. Then, some of them are
unwound in ->remove, some in module_exit. Let us do the opposite of
whole ->probe in ->remove.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: J Freyensee <james_p_freyensee@xxxxxxxxxxxxxxx>
---
drivers/misc/pti.c | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index 4a24421..be6e679 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -874,11 +874,18 @@ static void __devexit pti_pci_remove(struct pci_dev *pdev)
{
struct pti_dev *drv_data = pci_get_drvdata(pdev);

+ unregister_console(&pti_console);
+
+ tty_unregister_device(pti_tty_driver, 0);
+ tty_unregister_device(pti_tty_driver, 1);
+
iounmap(drv_data->pti_ioaddr);
pci_set_drvdata(pdev, NULL);
kfree(drv_data);
pci_release_region(pdev, 1);
pci_disable_device(pdev);
+
+ misc_deregister(&pti_char_driver);
}

static struct pci_driver pti_pci_driver = {
@@ -959,9 +966,6 @@ static void __exit pti_exit(void)
{
int retval;

- tty_unregister_device(pti_tty_driver, 0);
- tty_unregister_device(pti_tty_driver, 1);
-
retval = tty_unregister_driver(pti_tty_driver);
if (retval) {
pr_err("%s(%d): TTY unregistration failed of pti driver\n",
@@ -971,17 +975,6 @@ static void __exit pti_exit(void)
}

pci_unregister_driver(&pti_pci_driver);
-
- retval = misc_deregister(&pti_char_driver);
- if (retval) {
- pr_err("%s(%d): CHAR unregistration failed of pti driver\n",
- __func__, __LINE__);
- pr_err("%s(%d): Error value returned: %d\n",
- __func__, __LINE__, retval);
- }
-
- unregister_console(&pti_console);
- return;
}

module_init(pti_init);
--
1.7.10.4


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/