diff options
-rw-r--r-- | hw/usb/bus.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/usb/bus.c b/hw/usb/bus.c index 6fffab7bfa..9a74dc9560 100644 --- a/hw/usb/bus.c +++ b/hw/usb/bus.c @@ -500,6 +500,10 @@ static void usb_mask_to_str(char *dest, size_t size, speeds[i].name); } } + + if (pos == 0) { + snprintf(dest, size, "unknown"); + } } void usb_check_attach(USBDevice *dev, Error **errp) |