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-rw-r--r--common/usb.c12
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 */