mirror of https://github.com/xemu-project/xemu.git
ehci: Fix NULL ptr deref when unplugging an USB dev with an iso stream active
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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@ -1598,7 +1598,7 @@ static int ehci_process_itd(EHCIState *ehci,
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dev = ehci_find_device(ehci, devaddr);
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dev = ehci_find_device(ehci, devaddr);
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ep = usb_ep_get(dev, pid, endp);
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ep = usb_ep_get(dev, pid, endp);
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if (ep->type == USB_ENDPOINT_XFER_ISOC) {
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if (ep && ep->type == USB_ENDPOINT_XFER_ISOC) {
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usb_packet_setup(&ehci->ipacket, pid, ep, addr);
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usb_packet_setup(&ehci->ipacket, pid, ep, addr);
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usb_packet_map(&ehci->ipacket, &ehci->isgl);
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usb_packet_map(&ehci->ipacket, &ehci->isgl);
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ret = usb_handle_packet(dev, &ehci->ipacket);
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ret = usb_handle_packet(dev, &ehci->ipacket);
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