[PATCH] Fix to elfboot checksum problem

[Eric W. Biederman]

SONE Takeshi <ts1 at tsn.or.jp> writes:

> Hi,
> I think I've at last found a bug in elfboot.c.
> Until this fix, I had always needed to disable verify code in
> elfboot.c to get it work.
> Now it boots ELF kernel with BOOT_IDE perfectly.
> 
> One of doubly-linked chain was not initialized.
> I think it did not cause problem when memory near address 0 comes
> up with zeroes.
> But my raminit.inc leaves gabages there so some bogus memory ranges
> have been included in checksum.

Thanks good catch.  

Another possibility is that the checksum is optional and not all
versions of mkelfImage add it, and etherboot does not.  So that
code path is not exercised quite as much as it should be.

Eric