[PATCH] tools: fw_env: Fix warning when reading too little

[Tom Rini]

On Thu, May 28, 2020 at 05:54:45PM +0200, Harald Seiler wrote:

> When using CONFIG_ENV_IS_IN_FAT and the config-file specifies a size
> larger than what U-Boot wrote into the env-file, a confusing error
> message is shown:
> 
>     $ fw_printenv
>     Read error on /boot/uboot.env: Success
> 
> Fix this by showing a different error message when read returns too
> little data.
> 
> Signed-off-by: Harald Seiler <hws at denx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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