103     struct urb *ms_urb;  in ms_usb_alloc_urb()  local
105     ms_urb = (struct urb *)kmalloc(sizeof(struct urb), mem_flags);  in ms_usb_alloc_urb()
106     if (!ms_urb)  in ms_usb_alloc_urb()
111     memset(ms_urb, 0, sizeof(*ms_urb));  in ms_usb_alloc_urb()
112     ms_urb->count = (atomic_t)osapi_ATOMIC_INIT(1);  in ms_usb_alloc_urb()
113     osapi_spin_lock_init(&ms_urb->lock);  in ms_usb_alloc_urb()
114     return ms_urb;  in ms_usb_alloc_urb()
124 void ms_usb_free_urb(struct urb *ms_urb)  in ms_usb_free_urb()  argument
126     if (ms_urb)  in ms_usb_free_urb()
127         if (osapi_atomic_dec_and_test(&ms_urb->count))  in ms_usb_free_urb()
128             kfree(ms_urb);  in ms_usb_free_urb()
138 struct urb * ms_usb_get_urb(struct urb *ms_urb)  in ms_usb_get_urb()  argument
140     if (ms_urb)  in ms_usb_get_urb()
142         osapi_atomic_inc(&ms_urb->count);  in ms_usb_get_urb()
143         return ms_urb;  in ms_usb_get_urb()
157 int ms_usb_submit_urb(struct urb *ms_urb, int mem_flags)  in ms_usb_submit_urb()  argument
164     if (!ms_urb || ms_urb->hcpriv || !ms_urb->complete_func)  in ms_usb_submit_urb()
166     if (!(pUdev = ms_urb->dev) || (pUdev->eState < USB_STATE_DEFAULT) ||  in ms_usb_submit_urb()
172     ms_urb->s32Status = -EINPROGRESS;  in ms_usb_submit_urb()
173     ms_urb->u32ActualLength = 0;  in ms_usb_submit_urb()
175     ms_pipe = ms_urb->u32Pipe;  in ms_usb_submit_urb()
197     if (ms_urb->u32TransferBufferLength < 0)  in ms_usb_submit_urb()
203             if (ms_urb->u32Interval <= 0)  in ms_usb_submit_urb()
209                     if (ms_urb->u32Interval > (1024 * 8))  in ms_usb_submit_urb()
210                         ms_urb->u32Interval = 1024 * 8;  in ms_usb_submit_urb()
216                         if (ms_urb->u32Interval > 255)  in ms_usb_submit_urb()
225             while (temp_p > ms_urb->u32Interval)  in ms_usb_submit_urb()
227             ms_urb->u32Interval = temp_p;  in ms_usb_submit_urb()
231     return ms_hcd_submit_urb (ms_urb, mem_flags);  in ms_usb_submit_urb()
241 int ms_usb_unlink_urb(struct urb *ms_urb)  in ms_usb_unlink_urb()  argument
247     if (!ms_urb)  in ms_usb_unlink_urb()
249     if (!ms_urb->dev)  in ms_usb_unlink_urb()
251     return ms_hcd_unlink_urb(ms_urb, -ECONNRESET);  in ms_usb_unlink_urb()