HID: roccat: Fix NULL pointer dereference when unloading module
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>
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 void __exit pyra_exit(void)
{
- class_destroy(pyra_class);
hid_unregister_driver(&pyra_driver);
+ class_destroy(pyra_class);
}
module_init(pyra_init);