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@xxxxxxxxxxxxxxxxxxxxx> --- drivers/hid/hid-roccat-arvo.c | 2 +- drivers/hid/hid-roccat-kone.c | 2 +- drivers/hid/hid-roccat-koneplus.c | 2 +- drivers/hid/hid-roccat-kovaplus.c | 2 +- drivers/hid/hid-roccat-pyra.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c index 7b9a992..75f532f 100644 --- a/drivers/hid/hid-roccat-arvo.c +++ b/drivers/hid/hid-roccat-arvo.c @@ -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); diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 5cdb282..d749796 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -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); diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 7367e4e..ac20107 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -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); diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c index 7664e2c..4eeb62f 100644 --- a/drivers/hid/hid-roccat-kovaplus.c +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -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); diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index be4daa9..02a7243 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -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); -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html