[saeed:net-next 612/668] net/openvswitch/flow.c:915:19: warning: variable 'zone' is uninitialized when used here
From: kernel test robot <hidden>
Date: 2021-12-01 01:25:09
Also in:
lkml, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git net-next head: 960dff4cc0bfc59cc7a168c8f1e1f58c93f6a10d commit: dff3da2f663fdac40a3d72b85ee3b5f89e88501f [612/668] net: openvswitch: Fix matching zone id for invalid conns arriving from tc config: x86_64-randconfig-r022-20211130 (https://download.01.org/0day-ci/archive/20211201/202112010929.w3wcdBWp-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2) 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/saeed/linux.git/commit/?id=dff3da2f663fdac40a3d72b85ee3b5f89e88501f git remote add saeed https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git git fetch --no-tags saeed net-next git checkout dff3da2f663fdac40a3d72b85ee3b5f89e88501f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/openvswitch/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <redacted> All warnings (new ones prefixed by >>):
quoted
net/openvswitch/flow.c:915:19: warning: variable 'zone' is uninitialized when used here [-Wuninitialized]
key->ct_zone = zone;
^~~~
net/openvswitch/flow.c:864:10: note: initialize the variable 'zone' to silence this warning
u16 zone;
^
= 0
1 warning generated.
vim +/zone +915 net/openvswitch/flow.c
910
911 err = key_extract(skb, key);
912 if (!err) {
913 ovs_ct_fill_key(skb, key, post_ct); /* Must be after key_extract(). */
914 if (post_ct && !skb_get_nfct(skb))
> 915 key->ct_zone = zone;
916 }
917 return err;
918 }
919
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org