From 22abfc96af0209fa58a7b9c13d60b2982db281c7 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann <kraxel@redhat.com> Date: Thu, 5 Nov 2020 14:41:11 +0100 Subject: xhci: fix guest triggerable assert MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We didn't start any work yet so we can just return at that point instead of asserting. Buglink: https://bugs.launchpad.net/qemu/+bug/1883732 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20201105134112.25119-6-kraxel@redhat.com --- hw/usb/hcd-xhci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'hw') diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 79ce5c4be6..d00bb0141d 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -1904,7 +1904,9 @@ static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid) streamid = 0; xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING); } - assert(ring->dequeue != 0); + if (!ring->dequeue) { + return; + } epctx->kick_active++; while (1) { -- cgit v1.2.3