> Hi, > > Trying to workaround the aiptek graphic tablet driver I fund a strange > thing in usb core. > On message.c usb_internal_control_msg return negative status on error and > positive value on ok. usb_internal_control_msg call usb_start_wait_urb. In > usb_start_wait_urb when timeout occur return status is set to status = > urb->status and length to urb->actual_length. But in my workaround timeout > occur and urb->status is 0. So return status is 0 and in > usb_internal_control_msg no error is detected, so length are returned (no > even 0). > > I'm not familiar with kernel source, I'm wrong or there is some thing bad ? > > > Fred.
Sorry for disturb, but I'm wrong, in this case no timeout occur. Sorry
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