[LinuxBIOS] [PATCH] pci_rom.c checksum extension rom
alex at rtfs.hu
Wed Sep 12 21:37:15 CEST 2007
On Fri, 2007-09-07 at 12:54 +0200, Alex Beregszaszi wrote:
> On Wed, 2007-09-05 at 04:29 +0200, Stefan Reinauer wrote:
> > * Alex Beregszaszi <alex at rtfs.hu> [070904 13:17]:
> > > Hi,
> > >
> > > the attached patch adds code to checksum the pci extension rom and stop
> > > if the stored and calculated checksum differ.
> > Is this checksum reliably correct? I am hesitating to add new
> > restrictions that might break otherwise working cards.
> You are right, attached is a correct method. There is no fixed checksum
> byte, instead the whole should sum to zero.
Any comments on this?
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