tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: df8d11fbcbb07177c2500e63d7f5a36063977596 commit: 5a1704c7f3c1f3499716b7f440efa002f6724a35 [1941/1941] net: sched: extend Qdisc with rcu config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251213/202512130212.T1ptA9Fd-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512130212.T1ptA9Fd-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512130212.T1ptA9Fd-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

net/sched/sch_generic.c:956:6: warning: no previous prototype for 'qdisc_free_cb' [-Wmissing-prototypes] 956 | void qdisc_free_cb(struct rcu_head *head) | ^~~~~~~~~~~~~

vim +/qdisc_free_cb +956 net/sched/sch_generic.c 955

956 void qdisc_free_cb(struct rcu_head *head) 957 { 958 struct Qdisc *q = container_of(head, struct Qdisc, rcu); 959 960 qdisc_free(q); 961 } 962

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