[U-Boot] [PATCH] fsl: board EEPROM has the CRC in the wrong location

Wolfgang Denk wd at denx.de
Fri Jul 13 23:26:00 CEST 2012


Dear Tabi Timur-B04825,

In message <5000106B.5090007 at freescale.com> you wrote:
>
> > It will work by chance, accessing random data.  This is crap.
> 
> It is not crap, and it will not work by chance.  It is not accessing 
> random data, it is accessing the CRC in the old location, just like the 
> current code does today.

If you have the CRC at 0xFC, and the CRC is incorrect, then it _will_
access random data, and result inundefined behaviour. Yes, this _is_ a
crappy design.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"There are three principal ways to lose money: wine, women,  and  en-
gineers.  While  the first two are more pleasant, the third is by far
the more certain."                      -- Baron Rothschild, ca. 1800


More information about the U-Boot mailing list