Re: [PATCH v3 2/2] fastboot: bail if update handler couldn't be found for bbu-partition

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On 09.06.22 16:10, Sascha Hauer wrote:
> On Thu, Jun 09, 2022 at 03:09:36PM +0200, Ahmad Fatoum wrote:
>> Fastboot would fall back to a raw copy even for bbu- partitions if
>> no barebox_update handler was found. Prevent this by bailing out
>> with an error code.
>>
>> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
>> ---
>> v2 -> v3:
>>   - bail out instead of only printing message and falling back
>>     to raw copy (Sascha)
>> v1 -> v2:
>>   - print message in case barebox_update handler is not found
>> ---
>>  common/fastboot.c | 9 +++++++--
>>  1 file changed, 7 insertions(+), 2 deletions(-)
>>
>> diff --git a/common/fastboot.c b/common/fastboot.c
>> index 330a06f5a32f..a5cf04b39ecd 100644
>> --- a/common/fastboot.c
>> +++ b/common/fastboot.c
>> @@ -683,8 +683,13 @@ static void cb_flash(struct fastboot *fb, const char *cmd)
>>  		};
>>  
>>  		handler = bbu_find_handler_by_device(data.devicefile);
>> -		if (!handler)
>> -			goto copy;
>> +		if (!handler) {
>> +			fastboot_tx_print(fb, FASTBOOT_MSG_FAIL,
>> +					  "No barebox update handler registered for %s",
>> +					  data.devicefile);
>> +			ret = -ENOENT;
>> +			goto out;
>> +		}
> 
> I didn't verify that, but I believe a full raw bootable disk image
> generated for i.MX will be detected as barebox image. With this patch we
> wouldn't be able to flash that anymore.

Can we just apply v2 and see how often we see the message?

> 
> Sascha
> 


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