[U-Boot] [PATCH] mkimage: do not fail if there is no print_header function

[Dr. Philipp Tomsich]

> On 30 Mar 2018, at 10:28, Guillaume GARDET <guillaume.gardet at free.fr> wrote:
> 
> Commit 253c60a breaks the exit value of 'mkimage -T rkimage'
> and print the following  error:
>  mkimage: Can't print header for Rockchip Boot Image support: Success
> 
> It is not a failure to not print headers, so just display the warning message,
> and finish the function properly.
> 
> Signed-off-by: Guillaume GARDET <guillaume.gardet at free.fr>

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>

> Cc: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Tom Rini <trini at konsulko.com>
> ---
> tools/mkimage.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/mkimage.c b/tools/mkimage.c
> index 28ff35e670..4e561820e7 100644
> --- a/tools/mkimage.c
> +++ b/tools/mkimage.c
> @@ -588,9 +588,8 @@ int main(int argc, char **argv)
> 	if (tparams->print_header)
> 		tparams->print_header (ptr);
> 	else {
> -		fprintf (stderr, "%s: Can't print header for %s: %s\n",
> -			params.cmdname, tparams->name, strerror(errno));
> -		exit (EXIT_FAILURE);
> +		fprintf (stderr, "%s: Can't print header for %s\n",
> +			params.cmdname, tparams->name);
> 	}
> 
> 	(void) munmap((void *)ptr, sbuf.st_size);
> -- 
> 2.13.6
>