From patchwork Mon Jan 14 11:50:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [3/6] xhci: nuke transfe5rs on detach From: Gerd Hoffmann X-Patchwork-Id: 211770 Message-Id: <1358164219-14070-4-git-send-email-kraxel@redhat.com> To: qemu-devel@nongnu.org Cc: Gerd Hoffmann Date: Mon, 14 Jan 2013 12:50:16 +0100 Signed-off-by: Gerd Hoffmann --- hw/usb/hcd-xhci.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 5b2e7f8..5fb0c48 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -1197,6 +1197,7 @@ static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, ep = epctx->transfers[xferi].packet.ep; } killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]); + epctx->transfers[xferi].packet.ep = NULL; xferi = (xferi + 1) % TD_QUEUE; } if (ep) { @@ -2201,7 +2202,7 @@ static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *tr /* cleanup slot state on usb device detach */ static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) { - int slot; + int slot, ep; for (slot = 0; slot < xhci->numslots; slot++) { if (xhci->slots[slot].uport == uport) { @@ -2212,6 +2213,11 @@ static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) return; } + for (ep = 0; ep < 31; ep++) { + if (xhci->slots[slot].eps[ep]) { + xhci_ep_nuke_xfers(xhci, slot+1, ep+1); + } + } xhci->slots[slot].uport = NULL; }