diff options
| -rw-r--r-- | hw/usb-bus.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/usb-bus.c b/hw/usb-bus.c index 480956dfcf..0a49921c0c 100644 --- a/hw/usb-bus.c +++ b/hw/usb-bus.c @@ -181,6 +181,11 @@ static void do_attach(USBDevice *dev) dev->product_desc); return; } + if (bus->nfree == 0) { + fprintf(stderr, "Warning: tried to attach usb device %s to a bus with no free ports\n", + dev->product_desc); + return; + } if (dev->port_path) { QTAILQ_FOREACH(port, &bus->free, next) { if (strcmp(port->path, dev->port_path) == 0) { |