[PATCH 7/8] HID: roccat: Fixed NULL pointer dereference when unloading module
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From: Stefan Achatz <erazor_de@users.sourceforge.net>
Date: 2011-01-30 12:38:37
Subsystem:
hid core layer, roccat drivers, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Stefan Achatz, Linus Torvalds
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> --- 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