On 07.03.18 23:51, Pavel Machek wrote: >> I tried to use cdev.brightness_set_blocking, but instead working LEDs I >> got kernel NULL pointer dereference error. > > The backtrace shows driver being unregistered at that point. if you > did not request rmmod, it means that something failed during > registration .... I tried to unload module and it's crashed, it's forbidden to do? -- Best regards, Oleh Kravchenko
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