USB_BUFFER_UNMAP(9) USB Core APIs USB_BUFFER_UNMAP(9) NAME usb_buffer_unmap - free DMA mapping(s) for an urb SYNOPSIS void usb_buffer_unmap(struct urb * urb); ARGUMENTS urb urb whose transfer_buffer will be unmapped DESCRIPTION Reverses the effect of usb_buffer_map. COPYRIGHT Kernel Hackers Manual 2.6. November 2013 USB_BUFFER_UNMAP(9)[top]
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