[U-Boot] [U-Boot, v2] cmd: efi_loader: Return CMD_RET_USAGE in case of not enough arguments

[Tom Rini]

On Sat, Aug 13, 2016 at 04:02:06AM -0700, Bin Meng wrote:

> When typing 'bootefi' from U-Boot shell, nothing outputs. Like other
> commands, return CMD_RET_USAGE so that it can print help message.
> 
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> Reviewed-by: Alexander Graf <agraf at suse.de>

Applied to u-boot/master, thanks!

-- 
Tom
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