tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8d0c42c9e80791e8baba2932d2cbd2dcead50d47 commit: 430e2d5e2a982e6f86866762e6d6eb78191f9677 [2212/3682] net/mlx5: E-Switch, Move send to vport meta rule creation config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220827/202208271304.MimlzZvl-lkp@xxxxxxxxx/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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=430e2d5e2a982e6f86866762e6d6eb78191f9677 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 430e2d5e2a982e6f86866762e6d6eb78191f9677 # 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 drivers/net/ethernet/mellanox/mlx5/core/ drivers/net/ethernet/mellanox/mlxsw/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:481:6: warning: variable 'err' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] if (IS_ERR(flow_rule)) { ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:489:9: note: uninitialized use occurs here return err; ^~~ drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:481:2: note: remove the 'if' if its condition is always true if (IS_ERR(flow_rule)) { ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:474:9: note: initialize the variable 'err' to silence this warning int err; ^ = 0 1 warning generated. vim +481 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c 465 466 static int 467 mlx5e_rep_add_meta_tunnel_rule(struct mlx5e_priv *priv) 468 { 469 struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 470 struct mlx5e_rep_priv *rpriv = priv->ppriv; 471 struct mlx5_eswitch_rep *rep = rpriv->rep; 472 struct mlx5_flow_handle *flow_rule; 473 struct mlx5_flow_group *g; 474 int err; 475 476 g = esw->fdb_table.offloads.send_to_vport_meta_grp; 477 if (!g) 478 return 0; 479 480 flow_rule = mlx5_eswitch_add_send_to_vport_meta_rule(esw, rep->vport); > 481 if (IS_ERR(flow_rule)) { 482 err = PTR_ERR(flow_rule); 483 goto out; 484 } 485 486 rpriv->send_to_vport_meta_rule = flow_rule; 487 488 out: 489 return err; 490 } 491 -- 0-DAY CI Kernel Test Service https://01.org/lkp
