参照元†
- struct dma_buf *dmabuf
- int flags
返り値†
/**
* dma_buf_fd - returns a file descriptor for the given dma_buf
* @dmabuf: [in] pointer to dma_buf for which fd is required.
* @flags: [in] flags to give to fd
*
* On success, returns an associated 'fd'. Else, returns error.
*/
int dma_buf_fd(struct dma_buf *dmabuf, int flags)
{
int fd;
if (!dmabuf || !dmabuf->file)
return -EINVAL;
fd = get_unused_fd_flags(flags);
if (fd < 0)
return fd;
fd_install(fd, dmabuf->file);
return fd;
}
EXPORT_SYMBOL_GPL(dma_buf_fd);
コメント†