diff options
| -rw-r--r-- | usb-linux.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usb-linux.c b/usb-linux.c index 6aef7a5db0..4c42fe181a 100644 --- a/usb-linux.c +++ b/usb-linux.c @@ -549,7 +549,11 @@ static int urb_status_to_usb_ret(int status) static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p) { AsyncURB *aurb; - int i, j, ret, len = 0; + int i, j, ret, max_packet_size, len = 0; + + max_packet_size = get_max_packet_size(s, p->devep); + if (max_packet_size == 0) + return USB_RET_NAK; aurb = get_iso_urb(s, p->devep); if (!aurb) { |