[U-Boot] [PATCH] env_nand: return error when no device is found

[Ben Gardiner]

On Wed, Aug 11, 2010 at 11:42 PM, Mike Frysinger <vapier at gentoo.org> wrote:
> Currently, if there is an error probing the NAND chip and the env is based
> in NAND, the readenv() function will use a NULL function pointer and thus
> jump to address 0.
>
> Here I just check for a non-zero value of blocksize as that shouldn't be
> zero when a valid device is found, but perhaps there is a better way for
> someone familiar with the NAND internals to suggest.
>
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>

Applies clean to 69a2a4d9a5884a6f2d04a551308980d452b9b349 of
git://git.denx.de/u-boot.git.

Tested on da850evm_config with NAND enabled, board boots fine.

Tested-by: Ben Gardiner<bengardiner at nanometrics.ca>

---
Nanometrics Inc.
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