[xlnx:master 9508/9999] drivers/fpga/fpga-mgr.c:693: undefined reference to `dma_buf_get'

kernel test robot lkp at intel.com
Mon Jun 22 00:32:54 EDT 2020

tree:   https://github.com/Xilinx/linux-xlnx master
head:   319e5bc767fe351a63744daa9cdd69b1915956d0
commit: ed71785e2c3c3495e89c7b6c3a38699b59bf83d8 [9508/9999] fpga: support loading from a pre-allocated buffer
config: i386-randconfig-a013-20200621 (attached as .config)
compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010
reproduce (this is a W=1 build):
        git checkout ed71785e2c3c3495e89c7b6c3a38699b59bf83d8
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   ld: drivers/fpga/fpga-mgr.o: in function `fpga_dmabuf_fd_get':
>> drivers/fpga/fpga-mgr.c:693: undefined reference to `dma_buf_get'
   ld: drivers/fpga/fpga-mgr.o: in function `fpga_dmabuf_load':
>> drivers/fpga/fpga-mgr.c:315: undefined reference to `dma_buf_attach'
>> ld: drivers/fpga/fpga-mgr.c:322: undefined reference to `dma_buf_map_attachment'
>> ld: drivers/fpga/fpga-mgr.c:330: undefined reference to `dma_buf_unmap_attachment'
>> ld: drivers/fpga/fpga-mgr.c:333: undefined reference to `dma_buf_detach'
>> ld: drivers/fpga/fpga-mgr.c:335: undefined reference to `dma_buf_put'

vim +693 drivers/fpga/fpga-mgr.c

   685	static int fpga_dmabuf_fd_get(struct file *file, char __user *argp)
   686	{
   687		struct fpga_manager *mgr =  (struct fpga_manager *)(file->private_data);
   688		int buffd;
   690		if (copy_from_user(&buffd, argp, sizeof(buffd)))
   691			return -EFAULT;
 > 693		mgr->dmabuf = dma_buf_get(buffd);
   694		if (IS_ERR_OR_NULL(mgr->dmabuf))
   695			return -EINVAL;
   697		return 0;
   698	}

0-DAY CI Kernel Test Service, Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 30474 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20200622/ac5f24f9/attachment-0001.gz>

More information about the linux-arm-kernel mailing list