Re: [PATCH] RDMA/mlx5: Use mlx5_cmd_is_down to detect PCIe Surprise Link Down

[kernel test robot <lkp@intel.com>]

Hi Jian,

kernel test robot noticed the following build errors:

[auto build test ERROR on rdma/for-next]
[also build test ERROR on linus/master v6.17 next-20251010]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jian-Wen/RDMA-mlx5-Use-mlx5_cmd_is_down-to-detect-PCIe-Surprise-Link-Down/20251009-224616
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
patch link:    https://lore.kernel.org/r/20251009142326.3794769-1-wenjian1%40xiaomi.com
patch subject: [PATCH] RDMA/mlx5: Use mlx5_cmd_is_down to detect PCIe Surprise Link Down
config: s390-defconfig (https://download.01.org/0day-ci/archive/20251012/202510120715.P7oFOBOQ-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 39f292ffa13d7ca0d1edff27ac8fd55024bb4d19)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251012/202510120715.P7oFOBOQ-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510120715.P7oFOBOQ-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "mlx5_cmd_is_down" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined!

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