[kbuild-all] [jpirko-mlxsw:petrm_wip4 5/5] net/sched/cls_api.c:3886:20: warning: variable 'fl' set but not used

tree: https://github.com/jpirko/linux_mlxsw petrm_wip4 head: 762771d39235289a988465b66509744f59996c66 commit: 762771d39235289a988465b66509744f59996c66 [5/5] wip config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 762771d39235289a988465b66509744f59996c66 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): net/sched/cls_api.c: In function 'tcf_qevent_handle': 3886 | struct tcf_proto *fl; | ^~ vim +/fl +3886 net/sched/cls_api.c 3880 3881 struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, 3882 struct sk_buff *skb, struct sk_buff **to_free, 3883 int *ret) 3884 { 3885 struct tcf_result cl_res; 3887 3888 if (!qe->info.block_index) 3889 return skb; 3890 3891 fl = rcu_dereference_bh(qe->filter_chain); 3892 3893 printk(KERN_WARNING "qevent\n"); 3894 switch (tcf_classify(skb, qe->filter_chain, &cl_res, false)) { 3895 case TC_ACT_SHOT: 3896 qdisc_qstats_drop(sch); 3897 __qdisc_drop(skb, to_free); 3898 *ret = __NET_XMIT_BYPASS; 3899 return NULL; 3900 case TC_ACT_STOLEN: 3901 case TC_ACT_QUEUED: 3902 case TC_ACT_TRAP: 3903 __qdisc_drop(skb, to_free); 3904 *ret = __NET_XMIT_STOLEN; 3905 return NULL; 3906 case TC_ACT_REDIRECT: 3907 skb_do_redirect(skb); 3908 *ret = __NET_XMIT_STOLEN; 3909 return NULL; 3910 } 3911 3912 return skb; 3913 } 3914 EXPORT_SYMBOL(tcf_qevent_handle); 3915 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org