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Date:   Wed, 6 Dec 2023 13:04:59 +0800
From:   kernel test robot <lkp@intel.com>
To:     Junxian Huang <huangjunxian6@hisilicon.com>, jgg@ziepe.ca,
        leon@kernel.org
Cc:     oe-kbuild-all@lists.linux.dev, linux-rdma@vger.kernel.org,
        linuxarm@huawei.com, linux-kernel@vger.kernel.org,
        huangjunxian6@hisilicon.com
Subject: Re: [PATCH for-rc 6/6] RDMA/hns: Improve the readability of free mr
 uninit
Message-ID: <202312061253.0VL1jlNs-lkp@intel.com>
References: <20231129094434.134528-7-huangjunxian6@hisilicon.com>
MIME-Version: 1.0
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In-Reply-To: <20231129094434.134528-7-huangjunxian6@hisilicon.com>
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Hi Junxian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.7-rc4]
[cannot apply to rdma/for-next next-20231205]
[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/Junxian-Huang/RDMA-hns-Rename-the-interrupts/20231129-183932
base:   linus/master
patch link:    https://lore.kernel.org/r/20231129094434.134528-7-huangjunxian6%40hisilicon.com
patch subject: [PATCH for-rc 6/6] RDMA/hns: Improve the readability of free mr uninit
config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20231206/202312061253.0VL1jlNs-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061253.0VL1jlNs-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/202312061253.0VL1jlNs-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function 'free_mr_exit':
>> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:2684:23: warning: unused variable 'qp' [-Wunused-variable]
    2684 |         struct ib_qp *qp;
         |                       ^~


vim +/qp +2684 drivers/infiniband/hw/hns/hns_roce_hw_v2.c

  2679	
  2680	static void free_mr_exit(struct hns_roce_dev *hr_dev)
  2681	{
  2682		struct hns_roce_v2_priv *priv = hr_dev->priv;
  2683		struct hns_roce_v2_free_mr *free_mr = &priv->free_mr;
> 2684		struct ib_qp *qp;
  2685		int i;
  2686	
  2687		for (i = 0; i < ARRAY_SIZE(free_mr->rsv_qp); i++)
  2688			free_mr_uninit_qp(hr_dev, i);
  2689	
  2690		free_mr_uninit_cq(hr_dev);
  2691	
  2692		free_mr_uninit_pd(hr_dev);
  2693	}
  2694	

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