[U-Boot] [PATCH] mkimage: Fix generating multi and script images again

[Tom Rini <trini@konsulko.com>]

On Mon, Dec 07, 2015 at 06:01:54PM +0100, Marek Vasut wrote:

> Seems 6ae6e160 broke creating multi and script type images and even
> building of mkimage itself. There are two problems with that patch.
> 
> First is that expression (!(x == 0) || !(x == 1)) is always true for
> unsigned int x. The expression must use AND (&&) not OR (||) to be
> correct.
> 
> Second is the coding which causes gcc 4.9.x and newer scream gruesome
> death and murder. The expression !x == 0 && !x == 1 is ambiguous and
> should instead be rewritten into (x != 0) && (x != 1) to be correct.
> The parenthesis are added for clarity.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Tom Rini <trini@konsulko.com>
> Cc: Philippe De Swert <philippedeswert@gmail.com>
> Cc: Simon Glass <sjg@chromium.org>

After rewording the commit message a bit (and talking with Marek on IRC
about my reword), applied to u-boot/master, thanks!

-- 
Tom
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