Hi

On Wed, Jul 4, 2018 at 4:19 PM, Lothar Waßmann <l...@karo-electronics.de> wrote:
> 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.

Just because I want to be in the style of this file ;)

Michael

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



-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
|                  [`as] http://www.amarulasolutions.com               |
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