Re: kernfs/rtc: circular dependency between kernfs and ops_lock

From: Alessandro Zummo
Date: Mon Mar 31 2014 - 08:03:56 EST

On Mon, 31 Mar 2014 13:07:10 +0200
Lars-Peter Clausen <lars@xxxxxxxxxx> wrote:

> It doesn't really matter where it is unregistered. device_unregister() will
> (somewhere down it's callchain) take the kernfs lock, hence it must be
> callled with the rtc mutex being held.

Maybe device_remove_attrs could be called in the rtc base class,
before the device removal?


Best regards,

Alessandro Zummo,
Tower Technologies - Torino, Italy

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