diff options
| author | linzhecheng <linzhecheng@huawei.com> | 2018-11-20 16:34:19 +0800 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2018-11-27 07:47:57 +0100 |
| commit | 933d2d4bf2b9d7673872e6e46bb0fa15e44191fb (patch) | |
| tree | 48c26ee0a664af6bfb5f96eee673c69cbc535315 | |
| parent | 7ec910675929a593c9890f412125c31c578cde6e (diff) | |
| download | qemu-933d2d4bf2b9d7673872e6e46bb0fa15e44191fb.tar.gz | |
usb-host: set ifs.detached as true if kernel driver is not active
If no kernel driver is active, we can already claim and perform I/O on
it without detaching it.
Signed-off-by: linzhecheng <linzhecheng@huawei.com>
Message-id: 20181120083419.17716-1-linzhecheng@huawei.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | hw/usb/host-libusb.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c index f31e9cbbb8..b6602ded4e 100644 --- a/hw/usb/host-libusb.c +++ b/hw/usb/host-libusb.c @@ -1120,6 +1120,9 @@ static void usb_host_detach_kernel(USBHostDevice *s) rc = libusb_kernel_driver_active(s->dh, i); usb_host_libusb_error("libusb_kernel_driver_active", rc); if (rc != 1) { + if (rc == 0) { + s->ifs[i].detached = true; + } continue; } trace_usb_host_detach_kernel(s->bus_num, s->addr, i); |