diff options
| -rw-r--r-- | common/usb.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/common/usb.c b/common/usb.c index 1c9763c..50b8175 100644 --- a/common/usb.c +++ b/common/usb.c @@ -508,8 +508,8 @@ int usb_get_configuration_no(struct usb_device *dev, tmp = le16_to_cpu(config->wTotalLength); if (tmp > USB_BUFSIZ) { - USB_PRINTF("usb_get_configuration_no: failed to get " \ - "descriptor - too long: %d\n", tmp); + printf("usb_get_configuration_no: failed to get " \ + "descriptor - too long: %d\n", tmp); return -1; } @@ -946,7 +946,13 @@ int usb_new_device(struct usb_device *dev) le16_to_cpus(&dev->descriptor.idProduct); le16_to_cpus(&dev->descriptor.bcdDevice); /* only support for one config for now */ - usb_get_configuration_no(dev, tmpbuf, 0); + err = usb_get_configuration_no(dev, tmpbuf, 0); + if (err < 0) { + printf("usb_new_device: Cannot read configuration, " \ + "skipping device %04x:%04x\n", + dev->descriptor.idVendor, dev->descriptor.idProduct); + return -1; + } usb_parse_config(dev, tmpbuf, 0); usb_set_maxpacket(dev); /* we set the default configuration here */ |