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usb: fix endpoint descriptor ordering

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Fix the ordering of the endpoint descriptors for superspeed endpoints:
The superspeed companion must come first, possible additional
descriptors for the endpoint after that.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-01-28 15:52:57 +01:00
parent 6ef3ccd18f
commit 2e5df36df8
1 changed files with 5 additions and 4 deletions
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9
hw/usb/desc.c
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@ -225,12 +225,9 @@ int usb_desc_endpoint(const USBDescEndpoint *ep, int flags,
d->u.endpoint.bRefresh = ep->bRefresh;
d->u.endpoint.bSynchAddress = ep->bSynchAddress;
}
if (ep->extra) {
memcpy(dest + bLength, ep->extra, extralen);
}
if (superlen) {
USBDescriptor *d = (void *)(dest + bLength + extralen);
USBDescriptor *d = (void *)(dest + bLength);
d->bLength = 0x06;
d->bDescriptorType = USB_DT_ENDPOINT_COMPANION;
@ -243,6 +240,10 @@ int usb_desc_endpoint(const USBDescEndpoint *ep, int flags,
usb_hi(ep->wBytesPerInterval);
}
if (ep->extra) {
memcpy(dest + bLength + superlen, ep->extra, extralen);
}
return bLength + extralen + superlen;
}