usb-ehci: Fix an assert whenever isoc transfers are used

hcd-ehci.c is missing an usb_packet_init() call for the ipacket UsbPacket
it uses for isoc transfers, triggering an assert (taking the entire vm down)
in usb_packet_setup as soon as any isoc transfers are done by a high speed
USB device.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 7341ea075c09258b98a1d0efc60efd402cbfc9b4)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index ce8b405b7db32150b237183be73ea810ed6277d5..41c9d84354f7d2c0e8656d46b79d136aff8acad5 100644 (file)
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -2324,6 +2324,7 @@ static int usb_ehci_initfn(PCIDevice *dev)
     s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s);
     QTAILQ_INIT(&s->aqueues);
     QTAILQ_INIT(&s->pqueues);
+    usb_packet_init(&s->ipacket);
 
     qemu_register_reset(ehci_reset, s);