drivers/dma-buf/udmabuf.o: warning: objtool: get_sg_table.isra.0+0x94: unreachable instruction

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5437f30d3458ad36e83ab96088d490ebfee844d8
commit: 0c8b91ef5100eaed3d64123ac91ac4739fccf15c udmabuf: add back support for mapping hugetlb pages
date:   2 weeks ago
config: loongarch-randconfig-r121-20240728 (https://download.01.org/0day-ci/archive/20240728/202407282344.RDPzYUGa-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240728/202407282344.RDPzYUGa-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407282344.RDPzYUGa-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/dma-buf/udmabuf.o: warning: objtool: get_sg_table.isra.0+0x94: unreachable instruction


objdump-func vmlinux.o get_sg_table.isra.0:

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki