diff options
| -rw-r--r-- | libusb/os/linux_usbfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libusb/os/linux_usbfs.c b/libusb/os/linux_usbfs.c index a678032..30cb9b9 100644 --- a/libusb/os/linux_usbfs.c +++ b/libusb/os/linux_usbfs.c @@ -166,7 +166,11 @@ static int initialize_device(struct libusb_device *dev, uint8_t busnum, usbi_err("read failed ret=%d errno=%d", r, errno); goto err; } - /* FIXME: short read handling? */ + if (r < DEVICE_DESC_LENGTH) { + usbi_err("short descriptor read %d/%d", r, DEVICE_DESC_LENGTH); + r = -EIO; + goto err; + } usbi_parse_descriptor(raw_desc, "bbWbbbbWWWbbbb", &dev->desc); |