centos man page for dma_buf_get

DMA_BUF_GET(9)						   Device drivers infrastructure					    DMA_BUF_GET(9)

NAME
       dma_buf_get - returns the dma_buf structure related to an fd

SYNOPSIS
       struct dma_buf * dma_buf_get(int fd);

ARGUMENTS
       fd
	   [in] fd associated with the dma_buf to be returned

DESCRIPTION
       On success, returns the dma_buf structure associated with an fd; uses file's refcounting done by fget to increase refcount. returns ERR_PTR
       otherwise.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							    DMA_BUF_GET(9)