Re: [U-Boot] [PATCH 1/3] tools: dumpimage: Provide more feedback on internal errors

[Andrew F. Davis]

On 9/17/19 5:09 PM, Andrew F. Davis wrote:
> The dumpimage utility errors out in a number of places without providing
> sufficient feedback to allow the user to easily determine what has gone
> wrong. Add additional error messages to make the cause of the failure
> more obvious.
> 
> Signed-off-by: Andrew F. Davis <a...@ti.com>
> ---


ping


>  tools/dumpimage.c | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/dumpimage.c b/tools/dumpimage.c
> index ee3d41dda4..d5f893daf1 100644
> --- a/tools/dumpimage.c
> +++ b/tools/dumpimage.c
> @@ -35,14 +35,23 @@ static int dumpimage_extract_subimage(struct 
> image_type_params *tparams,
>       if (tparams->verify_header) {
>               retval = tparams->verify_header((unsigned char *)ptr,
>                               sbuf->st_size, &params);
> -             if (retval != 0)
> +             if (retval != 0) {
> +                     fprintf(stderr, "%s: failed to verify header of %s\n",
> +                             params.cmdname, tparams->name);
>                       return -1;
> +             }
> +
>               /*
>                * Extract the file from the image
>                * if verify is successful
>                */
>               if (tparams->extract_subimage) {
>                       retval = tparams->extract_subimage(ptr, &params);
> +                     if (retval != 0) {
> +                             fprintf(stderr, "%s: extract_subimage failed 
> for %s\n",
> +                                     params.cmdname, tparams->name);
> +                             return -3;
> +                     }
>               } else {
>                       fprintf(stderr,
>                               "%s: extract_subimage undefined for %s\n",
> @@ -175,6 +184,9 @@ int main(int argc, char **argv)
>                * image type. Returns the error code if not matched
>                */
>               retval = dumpimage_extract_subimage(tparams, ptr, &sbuf);
> +             if (retval)
> +                     fprintf(stderr, "%s: Can't extract subimage from %s\n",
> +                             params.cmdname, params.imagefile);
>       } else {
>               /*
>                * Print the image information for matched image type
> 
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