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

This commit is contained in:

Peter Grehan

2016-07-26 23:40:25 +00:00

parent 17146cd543

commit 34b1e8a155

1 changed files with 2 additions and 1 deletions

									
										usr.sbin/bhyve/pci_xhci.c
									
		+2
		-1
	
												View File
												
				@@ -2559,7 +2559,8 @@ pci_xhci_dev_intr(struct usb_hci *hci, int epctx)

					/* 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);