diff options
| author | Gerd Hoffmann | 2020-11-05 14:41:11 +0100 |
|---|---|---|
| committer | Gerd Hoffmann | 2020-11-16 09:11:21 +0100 |
| commit | 22abfc96af0209fa58a7b9c13d60b2982db281c7 (patch) | |
| tree | c2ad5f3533faa007ada1a85e21f0bdbbf7671d49 /hw | |
| parent | usb-storage: fill csw on cancel (diff) | |
| download | qemu-22abfc96af0209fa58a7b9c13d60b2982db281c7.tar.gz qemu-22abfc96af0209fa58a7b9c13d60b2982db281c7.tar.xz qemu-22abfc96af0209fa58a7b9c13d60b2982db281c7.zip | |
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
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 4 |
1 files changed, 3 insertions, 1 deletions
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) { |