[kbuild-all] Re: [mkl-can-next:testing 20/27] drivers/net/can/flexcan.c:1389:6: warning: variable 'err' set but not used

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing head: 5974dc5581b5ae0ef7bef0916ec99663d4b78c9d commit: cad1b206dc43c9324409af29a0d3eb6dc8fa6a02 [20/27] can: flexcan: flexcan_rx_offload_setup(): factor out mailbox and rx-offload setup into separate function config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git/co... git remote add mkl-can-next https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git git fetch --no-tags mkl-can-next testing git checkout cad1b206dc43c9324409af29a0d3eb6dc8fa6a02 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/net/can/flexcan.c: In function 'flexcan_rx_offload_setup': >> drivers/net/can/flexcan.c:1389:6: warning: variable 'err' set but not used [-Wunused-but-set-variable] 1389 | int err; | ^~~