diff options
Diffstat (limited to 'sys/dev/usb/usb_device.c')
| -rw-r--r-- | sys/dev/usb/usb_device.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/dev/usb/usb_device.c b/sys/dev/usb/usb_device.c index f497b12..8d4e573 100644 --- a/sys/dev/usb/usb_device.c +++ b/sys/dev/usb/usb_device.c @@ -305,16 +305,16 @@ usb2_init_pipe(struct usb2_device *udev, uint8_t iface_index, (methods->pipe_init) (udev, edesc, pipe); - /* check for invalid pipe */ - if (pipe->methods == NULL) - return; - /* initialise USB pipe structure */ pipe->edesc = edesc; pipe->iface_index = iface_index; TAILQ_INIT(&pipe->pipe_q.head); pipe->pipe_q.command = &usb2_pipe_start; + /* the pipe is not supported by the hardware */ + if (pipe->methods == NULL) + return; + /* clear stall, if any */ if (methods->clear_stall != NULL) { USB_BUS_LOCK(udev->bus); |
