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HID: roccat: Fix NULL pointer dereference when unloading module

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Class was destroyed before starting the unregistering driver chain.
Disconnecting a device from roccat chardev in this process then
raised a NULL pointer dereference.
Fixed this by destroying class after unregistering driver.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Stefan Achatz 2011-01-30 13:38:27 +01:00 committed by Jiri Kosina
parent 8211e46004
commit 74b643dac4
5 changed files with 5 additions and 5 deletions
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2
drivers/hid/hid-roccat-arvo.c
View File

@ -438,8 +438,8 @@ static int __init arvo_init(void)
static void __exit arvo_exit(void)
{
class_destroy(arvo_class);
hid_unregister_driver(&arvo_driver);
class_destroy(arvo_class);
}
module_init(arvo_init);

2
drivers/hid/hid-roccat-kone.c
View File

@ -844,8 +844,8 @@ static int __init kone_init(void)
static void __exit kone_exit(void)
{
class_destroy(kone_class);
hid_unregister_driver(&kone_driver);
class_destroy(kone_class);
}
module_init(kone_init);

2
drivers/hid/hid-roccat-koneplus.c
View File

@ -774,8 +774,8 @@ static int __init koneplus_init(void)
static void __exit koneplus_exit(void)
{
class_destroy(koneplus_class);
hid_unregister_driver(&koneplus_driver);
class_destroy(koneplus_class);
}
module_init(koneplus_init);

2
drivers/hid/hid-roccat-kovaplus.c
View File

@ -703,8 +703,8 @@ static int __init kovaplus_init(void)
static void __exit kovaplus_exit(void)
{
class_destroy(kovaplus_class);
hid_unregister_driver(&kovaplus_driver);
class_destroy(kovaplus_class);
}
module_init(kovaplus_init);

2
drivers/hid/hid-roccat-pyra.c
View File

@ -685,8 +685,8 @@ static int __init pyra_init(void)
static void __exit pyra_exit(void)
{
class_destroy(pyra_class);
hid_unregister_driver(&pyra_driver);
class_destroy(pyra_class);
}
module_init(pyra_init);