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xhci: fix address device 

Zero-initialize the set-address dummy USBPacket,
also add buffer to avoid sanity checks triggering.

https://bugzilla.redhat.com/show_bug.cgi?id=929019

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-04-05 15:18:52 +02:00
parent af203be36d
commit a67188743b
1 changed files with 4 additions and 0 deletions
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4
hw/usb/hcd-xhci.c
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@ -2139,8 +2139,12 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT;
} else {
USBPacket p;
uint8_t buf[1];
slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid;
usb_device_reset(dev);
memset(&p, 0, sizeof(p));
usb_packet_addbuf(&p, buf, sizeof(buf));
usb_packet_setup(&p, USB_TOKEN_OUT,
usb_ep_get(dev, USB_TOKEN_OUT, 0), 0,
0, false, false);