[U-Boot] [PATCH v2 20/28] tpm: Check that parse_byte_string() has data to parse

[Simon Glass]

Hi Christophe,

On 24 August 2015 at 14:22, Christophe Ricard
<christophe.ricard at gmail.com> wrote:
> Hi Simon,
>
> Print an error ? Are you sure ? I guess the comment is not accurate ;).
>
Well returning NULL from parse_byte_string() will cause an error to be
printed by the caller...

Regards,
Simon

> Best Regards
> Christophe
>
>
> On 23/08/2015 02:31, Simon Glass wrote:
>>
>> Rather then crashing when there is no data, print an error.
>>
>> Acked-by: Christophe Ricard <christophe-h.ricard at st.com>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>> Changes in v2: None
>>
>>   common/cmd_tpm.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/common/cmd_tpm.c b/common/cmd_tpm.c
>> index 65e7371..e9c6618 100644
>> --- a/common/cmd_tpm.c
>> +++ b/common/cmd_tpm.c
>> @@ -58,6 +58,8 @@ static void *parse_byte_string(char *bytes, uint8_t
>> *data, size_t *count_ptr)
>>         size_t count, length;
>>         int i;
>>   +     if (!bytes)
>> +               return NULL;
>>         length = strlen(bytes);
>>         count = length / 2;
>>
>
>