[PATCH] mtd: Fix physmap_of to not exit upon unsuccessful partition scan

[Stefan Roese]

On Tuesday 12 February 2008, Scott Wood wrote:
> Stefan Roese wrote:
> > The patch 9a310d21196f38f6ad0ad146057548653e495c09 ("[MTD] Factor out OF
> > partition support from the NOR driver.") introduced an problem. Now the
> > physmap_of driver returns with error upon the first unsuccessful
> > partition scan (parse_mtd_partitions()). This is not wanted, since even
> > when the RedBoot/cmdlinepart partition scan is unsuccessful, the other
> > scan's (of_mtd_parse_partitions(), parse_obsolete_partitions()) should be
> > done nevertheless.
> >
> > This patch fixes this problem.
> >
> > Signed-off-by: Stefan Roese <sr at denx.de>
> > ---
> >
> > Scott, could you please take a look at this patch and add you ACK if you
> > think it is ok?
>
> I was under the impression -- and looking at the code seems to back that
> up -- that parse_mtd_partitions() returns zero if the scan was
> unsuccessful due to the lack of a partition table, and negative only if
> there's a real error.
>
> Under what conditions are you actually seeing this fail?

When CONFIG_MTD_REDBOOT_PARTS is not defined for example it returns with -22 
(EINVAL).

Best regards,
Stefan