Hi,

On Wed,  4 Jul 2018 15:53:36 +0200 Michael Trimarchi wrote:
> We need to address the redundat image case and undestand if the
> image is corrupted or not and fallback to the copy. The function
> used before was always return 0 without any evaluation of the
> error. We try to make it work properly
> 
> Change-Id: Id6fc221c5cc08934b7324dd5d319b93c56e2e678
> Signed-off-by: Michael Trimarchi <mich...@amarulasolutions.com>
> ---
>  common/spl/spl_nand.c | 34 +++++++++++++++++++++++++---------
>  1 file changed, 25 insertions(+), 9 deletions(-)
> 
> diff --git a/common/spl/spl_nand.c b/common/spl/spl_nand.c
> index 9a52500..b96fce2 100644
> --- a/common/spl/spl_nand.c
> +++ b/common/spl/spl_nand.c
> @@ -44,9 +44,7 @@ static int spl_nand_load_element(struct spl_image_info 
> *spl_image,
>  {
>       int err;
>  
> -     err = nand_spl_load_image(offset, sizeof(*header), (void *)header);
> -     if (err)
> -             return err;
> +     nand_spl_load_image(offset, sizeof(*header), (void *)header);
>  
>       if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
>           image_get_magic(header) == FDT_MAGIC) {
> @@ -59,13 +57,31 @@ static int spl_nand_load_element(struct spl_image_info 
> *spl_image,
>               load.bl_len = 1;
>               load.read = spl_nand_fit_read;
>               return spl_load_simple_fit(spl_image, &load, offset, header);
> -     } else {
> -             err = spl_parse_image_header(spl_image, header);
> -             if (err)
> -                     return err;
> -             return nand_spl_load_image(offset, spl_image->size,
> -                                        (void *)(ulong)spl_image->load_addr);
>       }
> +     err = spl_parse_image_header(spl_image, header);
> +     if (err)
> +             return err;
> +
> +     nand_spl_load_image(offset, spl_image->size,
> +                        (void *)(ulong)spl_image->load_addr);
> +
> +     /*
> +      * Logic of the error is inverted for image_check* functions.
> +      * We want to verify that header is correct and the data are correct
> +      * for LEGACY image type
> +      */
> +     err = image_check_hcrc((const image_header_t *)spl_image->load_addr);
> +     if (!err) {
>
Why not simply:
        if (!image_check_hcrc(...) {
> +             debug("Header checksum failed\n");
> +             return -EINVAL;
> +     }
> +     err = image_check_dcrc((const image_header_t *)spl_image->load_addr);
> +     if (!err) {
>
dto.

> +             debug("Image checksum failed\n");
> +             return -EINVAL;
> +     }
> +
> +     return 0;
>  }
>  
>  static int spl_nand_load_image(struct spl_image_info *spl_image,


Lothar Waßmann
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