[ls-zhu:refactor 5/7] drivers/vdpa/ifcvf/ifcvf_main.c:439:24: warning: variable 'adapter' set but not used

[ls-zhu:refactor 5/7] drivers/vdpa/ifcvf/ifcvf_main.c:439:24: warning: variable 'adapter' set but not used

[kernel test robot]

tree:   https://github.com/ls-zhu/linux refactor
head:   eec40a854a7617076952ac5dfc273a9f3ed10bf0
commit: e07aed8d27dc17ff4587560d7e484de57870e970 [5/7] retire ifcvf_add_status, ifcvf_start_hw and ifcvf_start_datapath
config: i386-randconfig-a004 (https://download.01.org/0day-ci/archive/20230329/202303292340.yEcx9I77-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/ls-zhu/linux/commit/e07aed8d27dc17ff4587560d7e484de57870e970
        git remote add ls-zhu https://github.com/ls-zhu/linux
        git fetch --no-tags ls-zhu refactor
        git checkout e07aed8d27dc17ff4587560d7e484de57870e970
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/vdpa/ifcvf/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303292340.yEcx9I77-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/vdpa/ifcvf/ifcvf_main.c:439:24: warning: variable 'adapter' set but not used [-Wunused-but-set-variable]
           struct ifcvf_adapter *adapter;
                                 ^
   1 warning generated.


vim +/adapter +439 drivers/vdpa/ifcvf/ifcvf_main.c

5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  436  
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  437  static void ifcvf_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status)
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  438  {
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 @439  	struct ifcvf_adapter *adapter;
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  440  	struct ifcvf_hw *vf;
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  441  	u8 status_old;
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  442  	int ret;
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  443  
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  444  	vf  = vdpa_to_vf(vdpa_dev);
6b5df347c6482f drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2021-08-12  445  	adapter = vdpa_to_adapter(vdpa_dev);
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  446  	status_old = ifcvf_get_status(vf);
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  447  
bb02e6e63d0e71 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-06-05  448  	if (status_old == status)
bb02e6e63d0e71 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-06-05  449  		return;
bb02e6e63d0e71 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-06-05  450  
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  451  	if ((status & VIRTIO_CONFIG_S_DRIVER_OK) &&
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  452  	    !(status_old & VIRTIO_CONFIG_S_DRIVER_OK)) {
7cfd36b7e8be6b drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2022-11-25  453  		ret = ifcvf_request_irq(vf);
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  454  		if (ret) {
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  455  			status = ifcvf_get_status(vf);
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  456  			status |= VIRTIO_CONFIG_S_FAILED;
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  457  			ifcvf_set_status(vf, status);
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  458  			return;
7dd793f37e2ab4 drivers/vdpa/ifcvf/ifcvf_main.c        Zhu Lingshan 2020-05-12  459  		}
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  460  	}
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  461  
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  462  	ifcvf_set_status(vf, status);
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  463  }
5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26  464  

:::::: The code at line 439 was first introduced by commit
:::::: 5a2414bc454e89e0515b47500734a65aa40cf9fe virtio: Intel IFC VF driver for VDPA

:::::: TO: Zhu Lingshan <lingshan.zhu@intel.com>
:::::: CC: Michael S. Tsirkin <mst@redhat.com>

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