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charset=us-ascii Content-Disposition: inline In-Reply-To: <15515521993762EE+20240515100830.32920-6-mengyuanlou@net-swift.com> Hi Mengyuan, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Mengyuan-Lou/net-libwx-Add-sriov-api-for-wangxun-nics/20240515-185015 base: net-next/main patch link: https://lore.kernel.org/r/15515521993762EE%2B20240515100830.32920-6-mengyuanlou%40net-swift.com patch subject: [PATCH net-next v3 5/6] net: ngbe: add sriov function support config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240516/202405160844.t8jS88dy-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240516/202405160844.t8jS88dy-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202405160844.t8jS88dy-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/ethernet/wangxun/libwx/wx_sriov.c:999:17: warning: variable 'i' is uninitialized when used here [-Wuninitialized] 999 | if (wx->vfinfo[i].clear_to_send) | ^ drivers/net/ethernet/wangxun/libwx/wx_sriov.c:992:7: note: initialize the variable 'i' to silence this warning 992 | u16 i; | ^ | = 0 drivers/net/ethernet/wangxun/libwx/wx_sriov.c:312:20: warning: unused function 'wx_ping_vf' [-Wunused-function] 312 | static inline void wx_ping_vf(struct wx *wx, int vf) | ^~~~~~~~~~ 2 warnings generated. vim +/i +999 drivers/net/ethernet/wangxun/libwx/wx_sriov.c 988 989 void wx_ping_all_vfs_with_link_status(struct wx *wx, bool link_up) 990 { 991 u32 msgbuf[2] = {0, 0}; 992 u16 i; 993 994 if (!wx->num_vfs) 995 return; 996 msgbuf[0] = WX_PF_NOFITY_VF_LINK_STATUS | WX_PF_CONTROL_MSG; 997 if (link_up) 998 msgbuf[1] = (wx->speed << 1) | link_up; > 999 if (wx->vfinfo[i].clear_to_send) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki