On Thu, Nov 24, 2016 at 05:34:45PM +0000, David Howells wrote: > 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()? For most cases, request_firmware() is being used -- for some rare cases, however, this alternative interface is provided for. It should be pretty safe nowadays to make pccard_cis_attr read-only (and who uses PCMCIA nowadays anyway?). Best, Dominik -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
