[U-Boot] [PATCH] tools: use read-only mmap in fit_check_sign

[Tom Rini]

On Tue, May 14, 2019 at 07:35:02PM +0100, luca.boccassi at gmail.com wrote:

> From: Luca Boccassi <luca.boccassi at microsoft.com>
> 
> Add an option to open files in read-only mode in mmap_fdt so
> that fit_check_sign can be used to inspect files on read-only
> filesystems.
> For example, this is useful when a key is shipped in a read-only
> rootfs or squashfs.
> 
> Signed-off-by: Luca Boccassi <luca.boccassi at microsoft.com>

Applied to u-boot/master, thanks!

-- 
Tom
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