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1. input and backlight devices were registered after acpi notifications are enabled. This left a window where eeepc_hotk_notify() might find these devices in an inconsistent (half-initialized) state. -> Move all device registration into eeepc_hotk_add(), which is called before enabling acpi notifications. 2. input and backlight devices were unregistered before acpi notifications are disabled. This left a window where eeepc_hotk_notify() might find these devices in an inconsistent (half-destroyed) state. -> Move all device unregistration into eeepc_hotk_remove(), which is called after disabling acpi notifications. 3. The acpi driver was not freed if an error occured further down in eeepc_laptop_init(). -> The rest of eeepc_laptop_init() has been moved to eeepc_hotk_add(), so this is no longer a problem. 4. The acpi driver was unregistered before the platform driver. This left a window where a sysfs access could attempt to read the ehotk structure after it had been freed by eeepc_hotk_remove(). -> The acpi driver is now unregistered as the last step in eeepc_laptop_exit(), so this is no longer a problem. Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com> |
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