Name
dma_buf_fd — 
     returns a file descriptor for the given dma_buf
 
Synopsis
| int dma_buf_fd ( | struct dma_buf * dmabuf, | 
|  | int flags ); | 
 
Arguments
- dmabuf
- 
     [in]	pointer to dma_buf for which fd is required.
     
- flags
- 
     [in]    flags to give to fd
     
Description
   On success, returns an associated 'fd'. Else, returns error.