[U-Boot-Users] [PATCH] USB Storage, add meaningful return value

[Jerry Van Baren <gvb.uboot@gmail.com>]

Wolfgang Denk wrote:
> Dear Aras,
> 
> in message <47E836F8.6090702@magtech.com.au> you wrote:
>> This patch changes the "usb storage" command to return success iff it
>> finds a USB storage device, otherwise it returns error.
> 
> Thanks. I appreciate your contribution, but please fix the coding
> style:
> 
>> @@ -196,9 +196,13 @@
>>  		for (i = 0; i < usb_max_devs; i++) {
> 
> There is probably a { missing before this line (as this is not a
> single-line statement).
> 
>>  			printf ("  Device %d: ", i);
>>  			dev_print(&usb_dev_desc[i]);
>> +			return 0;
>>  		}
>>  	else
>> +	{
> 
> ...and then this should read 
> 
> 	} else {
> 
> Thanks.
> 
> Best regards,
> 
> Wolfgang Denk

Just in case Wolfgang was too terse, I'll add to his critique... the 
original code is the origin of the coding violations:

void usb_stor_info(void)
{
         int i;

         if (usb_max_devs > 0)
                 for (i = 0; i < usb_max_devs; i++) {
                         printf ("  Device %d: ", i);
                         dev_print(&usb_dev_desc[i]);
                 }
         else
                 printf("No storage devices, perhaps not 'usb 
start'ed..?\n");
}

It doesn't have braces on the "if (usb_max_devs > 0)" which is 
syntactically OK but the source of the coding violation.  Please add 
braces after the "if" and "} else {" per Wolfgang's comments.

Thanks for making the code a little better and a little prettier, ;-)
gvb