Commit 7cb513aa authored by Liam Merwick's avatar Liam Merwick Committed by Gerd Hoffmann
Browse files

xhci: check device is not NULL before calling usb_ep_get() 



Signed-off-by: default avatarLiam Merwick <liam.merwick@oracle.com>
Message-id: 1549460216-25808-4-git-send-email-liam.merwick@oracle.com
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 92cf3427

hw/usb/hcd-xhci.c

+2 −2
Original line number Diff line number Diff line
@@ -3276,10 +3276,10 @@ static USBEndpoint *xhci_epid_to_usbep(XHCIEPContext *epctx) 
        return NULL;

    }

    uport = epctx->xhci->slots[epctx->slotid - 1].uport;

    token = (epctx->epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT;

    if (!uport) {

    if (!uport || !uport->dev) {

        return NULL;

    }

    token = (epctx->epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT;

    return usb_ep_get(uport->dev, token, epctx->epid >> 1);

}