From: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
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 480956d..0a49921 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) {
--
1.7.1
