Author: grehan
Date: Tue Jul 26 23:40:25 2016
New Revision: 303349
URL: https://svnweb.freebsd.org/changeset/base/303349
Log:
Catch another case where an XHCI interrupt was being
injected without state being set up.
This fixes a core dump when dropping to the UEFI prompt
with graphics enabled and moving the mouse around.
Discussed with: Leon Dang
MFC after: 3 days
Modified:
head/usr.sbin/bhyve/pci_xhci.c
Modified: head/usr.sbin/bhyve/pci_xhci.c
==============================================================================
--- head/usr.sbin/bhyve/pci_xhci.c Tue Jul 26 23:29:37 2016
(r303348)
+++ head/usr.sbin/bhyve/pci_xhci.c Tue Jul 26 23:40:25 2016
(r303349)
@@ -2559,7 +2559,8 @@ pci_xhci_dev_intr(struct usb_hci *hci, i
/* check if device is ready; OS has to initialise it */
if (sc->rtsregs.erstba_p == NULL ||
- (sc->opregs.usbcmd & XHCI_CMD_RS) == 0)
+ (sc->opregs.usbcmd & XHCI_CMD_RS) == 0 ||
+ dev->dev_ctx == NULL)
return (0);
p = XHCI_PORTREG_PTR(sc, hci->hci_port);
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