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Date:   Wed, 1 Jun 2022 22:38:35 +0800
From:   kernel test robot <lkp@intel.com>
To:     Haowen Bai <baihaowen@meizu.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        netdev@vger.kernel.org, Haowen Bai <baihaowen@meizu.com>,
        linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: tulip: de4x5: remove unused variable
Message-ID: <202206012206.rmnA2Zg6-lkp@intel.com>
References: <1654068277-6691-1-git-send-email-baihaowen@meizu.com>
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In-Reply-To: <1654068277-6691-1-git-send-email-baihaowen@meizu.com>
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Hi Haowen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on horms-ipvs/master]
[also build test ERROR on v5.18]
[cannot apply to net-next/master net/master linus/master next-20220601]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Haowen-Bai/net-tulip-de4x5-remove-unused-variable/20220601-152922
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master
config: i386-randconfig-a004 (https://download.01.org/0day-ci/archive/20220601/202206012206.rmnA2Zg6-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/98c118e28527e7ff29469521c68414943a7cfc3a
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Haowen-Bai/net-tulip-de4x5-remove-unused-variable/20220601-152922
        git checkout 98c118e28527e7ff29469521c68414943a7cfc3a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/net/ethernet/dec/tulip/de4x5.c:3823:2: error: use of undeclared identifier 'imr'
           UNMASK_IRQs;
           ^
   drivers/net/ethernet/dec/tulip/de4x5.c:694:5: note: expanded from macro 'UNMASK_IRQs'
       imr |= lp->irq_mask;\
       ^
>> drivers/net/ethernet/dec/tulip/de4x5.c:3823:2: error: use of undeclared identifier 'imr'
   drivers/net/ethernet/dec/tulip/de4x5.c:695:10: note: expanded from macro 'UNMASK_IRQs'
       outl(imr, DE4X5_IMR);               /* Unmask the IRQs */\
            ^
   drivers/net/ethernet/dec/tulip/de4x5.c:3826:2: error: use of undeclared identifier 'imr'
           ENABLE_IRQs;
           ^
   drivers/net/ethernet/dec/tulip/de4x5.c:683:5: note: expanded from macro 'ENABLE_IRQs'
       imr |= lp->irq_en;\
       ^
   drivers/net/ethernet/dec/tulip/de4x5.c:3826:2: error: use of undeclared identifier 'imr'
   drivers/net/ethernet/dec/tulip/de4x5.c:684:10: note: expanded from macro 'ENABLE_IRQs'
       outl(imr, DE4X5_IMR);               /* Enable the IRQs */\
            ^
   4 errors generated.


vim +/imr +3823 drivers/net/ethernet/dec/tulip/de4x5.c

^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3814  
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3815  static void
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3816  de4x5_setup_intr(struct net_device *dev)
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3817  {
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3818      struct de4x5_private *lp = netdev_priv(dev);
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3819      u_long iobase = dev->base_addr;
98c118e28527e7 drivers/net/ethernet/dec/tulip/de4x5.c Haowen Bai     2022-06-01  3820      s32 sts;
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3821  
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3822      if (inl(DE4X5_OMR) & OMR_SR) {   /* Only unmask if TX/RX is enabled */
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16 @3823  	UNMASK_IRQs;
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3824  	sts = inl(DE4X5_STS);        /* Reset any pending (stale) interrupts */
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3825  	outl(sts, DE4X5_STS);
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3826  	ENABLE_IRQs;
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3827      }
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3828  }
^1da177e4c3f41 drivers/net/tulip/de4x5.c              Linus Torvalds 2005-04-16  3829  

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