Hi Wei, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on horms-ipvs/master v6.4-rc6 next-20230615] [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/Wei-Hu/RDMA-mana_ib-Add-EQ-interrupt-support-to-mana-ib-driver/20230615-191709 base: linus/master patch link: https://lore.kernel.org/r/20230615111412.1687573-1-weh%40microsoft.com patch subject: [PATCH v3 1/1] RDMA/mana_ib: Add EQ interrupt support to mana ib driver. config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230616/202306160702.qHOTsE7v-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): git checkout linus/master b4 shazam https://lore.kernel.org/r/20230615111412.1687573-1-weh@xxxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/infiniband/hw/mana/ 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306160702.qHOTsE7v-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/infiniband/hw/mana/main.c: In function 'mana_ib_destroy_eq': >> drivers/infiniband/hw/mana/main.c:150:27: warning: unused variable 'ibdev' [-Wunused-variable] 150 | struct ib_device *ibdev = ucontext->ibucontext.device; | ^~~~~ vim +/ibdev +150 drivers/infiniband/hw/mana/main.c 145 146 static void mana_ib_destroy_eq(struct mana_ib_ucontext *ucontext, 147 struct mana_ib_dev *mdev) 148 { 149 struct gdma_context *gc = mdev->gdma_dev->gdma_context; > 150 struct ib_device *ibdev = ucontext->ibucontext.device; 151 struct gdma_queue *eq; 152 int i; 153 154 if (!ucontext->eqs) 155 return; 156 157 for (i = 0; i < gc->max_num_queues; i++) { 158 eq = ucontext->eqs[i].eq; 159 if (!eq) 160 continue; 161 162 mana_gd_destroy_queue(gc, eq); 163 } 164 165 kfree(ucontext->eqs); 166 ucontext->eqs = NULL; 167 } 168 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki