xhci: fix guest triggerable assert

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
This commit is contained in:
Gerd Hoffmann 2020-11-05 14:41:11 +01:00
parent af06a0265e
commit 22abfc96af

View File

@ -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) {