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| author |   Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-29 21:51:36 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-29 21:51:36 -0500 |
| commit | 2e9d675ed24bcefd0d99b531a9d7faf794b762c8 (patch) | |
| tree | f7a13d803b5b69367bbba67c6c41f8d31f62f66e /drivers/input/joystick/db9.c | |
| parent | Input: db9 - fix possible crash with Saturn gamepads (diff) | |
| download | linux-dev-2e9d675ed24bcefd0d99b531a9d7faf794b762c8.tar.xz linux-dev-2e9d675ed24bcefd0d99b531a9d7faf794b762c8.zip | |
Input: db9 - handle errors from input_register_device()
Also db9_remove shouldn't be marked __exit as it is also called from
__init code.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/joystick/db9.c')
| -rw-r--r-- | drivers/input/joystick/db9.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c index 98479b82842d..dcffc34f30c3 100644 --- a/drivers/input/joystick/db9.c +++ b/drivers/input/joystick/db9.c @@ -616,7 +616,7 @@ static struct db9 __init *db9_probe(int parport, int mode) if (!input_dev) { printk(KERN_ERR "db9.c: Not enough memory for input device\n"); err = -ENOMEM; - goto err_free_devs; + goto err_unreg_devs; } sprintf(db9->phys[i], "%s/input%d", db9->pd->port->name, i); @@ -642,13 +642,17 @@ static struct db9 __init *db9_probe(int parport, int mode) input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); } - input_register_device(input_dev); + err = input_register_device(input_dev); + if (err) + goto err_free_dev; } parport_put_port(pp); return db9; - err_free_devs: + err_free_dev: + input_free_device(db9->dev[i]); + err_unreg_devs: while (--i >= 0) input_unregister_device(db9->dev[i]); kfree(db9); @@ -660,7 +664,7 @@ static struct db9 __init *db9_probe(int parport, int mode) return ERR_PTR(err); } -static void __exit db9_remove(struct db9 *db9) +static void db9_remove(struct db9 *db9) { int i; @@ -698,7 +702,8 @@ static int __init db9_init(void) if (err) { while (--i >= 0) - db9_remove(db9_base[i]); + if (db9_base[i]) + db9_remove(db9_base[i]); return err; } |