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usb-host: add range checks for usb-host parameters 

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Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20140613-1' into staging

usb-host: add range checks for usb-host parameters

# gpg: Signature made Fri 13 Jun 2014 12:33:05 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-usb-20140613-1:
  usb-host: add range checks for usb-host parameters

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-06-13 18:18:55 +01:00
parent 80008a6a29 f3cda6e060
commit 06a59afac4
1 changed files with 13 additions and 0 deletions
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13
hw/usb/host-libusb.c
View File

@ -952,6 +952,19 @@ static int usb_host_initfn(USBDevice *udev)
{
USBHostDevice *s = USB_HOST_DEVICE(udev);
if (s->match.vendor_id > 0xffff) {
error_report("vendorid out of range");
return -1;
}
if (s->match.product_id > 0xffff) {
error_report("productid out of range");
return -1;
}
if (s->match.addr > 127) {
error_report("hostaddr out of range");
return -1;
}
loglevel = s->loglevel;
udev->flags |= (1 << USB_DEV_FLAG_IS_HOST);
udev->auto_attach = 0;