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USB Storage, add meaningful return value

Browse source 
This patch changes the "usb storage" command to return success if it
finds a USB storage device, otherwise it returns error.

Signed-off-by: Markus Klotzbuecher <mk@denx.de>
This commit is contained in:
Aras Vaichas 2008-03-25 12:09:07 +11:00 committed by Markus Klotzbuecher
parent 18e69a35ef
commit f6b44e0e4d
2 changed files with 7 additions and 5 deletions
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3
common/cmd_usb.c
View file

@ -529,8 +529,7 @@ int do_usb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
if (strncmp(argv[1], "stor", 4) == 0) {
usb_stor_info();
return 0;
return usb_stor_info();
}
if (strncmp(argv[1],"part",4) == 0) {

9
common/usb_storage.c
View file

@ -188,17 +188,20 @@ void usb_show_progress(void)
* show info on storage devices; 'usb start/init' must be invoked earlier
* as we only retrieve structures populated during devices initialization
*/
void usb_stor_info(void)
int usb_stor_info(void)
{
int i;
if (usb_max_devs > 0)
if (usb_max_devs > 0) {
for (i = 0; i < usb_max_devs; i++) {
printf (" Device %d: ", i);
dev_print(&usb_dev_desc[i]);
return 0;
}
else
} else {
printf("No storage devices, perhaps not 'usb start'ed..?\n");
return 1;
}
}
/*********************************************************************************