Re: [PATCH] Lock down drivers that can have io ports, io mem, irqs and dma changed

[David Howells]

Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> wrote:

> > > 	- Abort in drivers/pcmcia/cistpl.c::pccard_store_cis() or remove
> > > 	  write access to the "cis" file in
> > > 	  drivers/pcmcia/cistpl.c::pccard_cis_attr
> > 
> > What is that doing?  Allowing the device to be reconfigured?
> 
> Exactly. It is a different interface for updating the firmware -- which
> includes ioports etc. In theory, any access should be limited to areas which
> are registered to the bridge devices. But you never know...

Ah, I see.  Should this be using request_firmware()?

David