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| author | Gerd Hoffmann <kraxel@redhat.com> | 2017-05-23 10:46:35 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-05-29 14:18:09 +0200 |
| commit | 26022652c6fd067b9fa09280f5a6d6284a21c73f (patch) | |
| tree | 080401ceedb8c53fd3b92905fd235af0ab6e819f | |
| parent | 6361bbc7e21f822823e015e5ccb50d4ac1745b1b (diff) | |
| download | focaccia-qemu-26022652c6fd067b9fa09280f5a6d6284a21c73f.tar.gz focaccia-qemu-26022652c6fd067b9fa09280f5a6d6284a21c73f.zip | |
usb: don't wakeup during coldplug
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1452512 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20170523084635.20062-1-kraxel@redhat.com
| -rw-r--r-- | hw/usb/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/usb/core.c b/hw/usb/core.c index 45fa00c517..241ae66b15 100644 --- a/hw/usb/core.c +++ b/hw/usb/core.c @@ -98,6 +98,14 @@ void usb_wakeup(USBEndpoint *ep, unsigned int stream) USBDevice *dev = ep->dev; USBBus *bus = usb_bus_from_device(dev); + if (!qdev_hotplug) { + /* + * This is machine init cold plug. No need to wakeup anyone, + * all devices will be reset anyway. And trying to wakeup can + * cause problems due to hitting uninitialized devices. + */ + return; + } if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) { dev->port->ops->wakeup(dev->port); } |