USB_BUFFER_FREE(9) USB Core APIs USB_BUFFER_FREE(9)NAMEusb_buffer_free - free memory allocated with usb_buffer_alloc
SYNOPSIS
void usb_buffer_free(struct usb_device * dev, size_t size, void * addr,
dma_addr_t dma);
ARGUMENTS
dev
device the buffer was used with
size
requested buffer size
addr
CPU address of buffer
dma
DMA address of buffer
DESCRIPTION
This reclaims an I/O buffer, letting it be reused. The memory must have
been allocated using usb_buffer_alloc, and the parameters must match
those provided in that allocation request.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 USB_BUFFER_FREE(9)