* Re: [PATCH nf] netfilter: flowtable: tear down HW offloaded flows on FIB route changes
[not found] <20260708205404.911832-1-anzaki@gmail.com>
@ 2026-07-09 6:52 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-09 6:52 UTC (permalink / raw)
To: Ahmed Zaki, netfilter-devel
Cc: llvm, oe-kbuild-all, pablo, fw, kuba, edumazet, davem, pabeni,
horms, netdev
Hi Ahmed,
kernel test robot noticed the following build warnings:
[auto build test WARNING on netfilter-nf/main]
url: https://github.com/intel-lab-lkp/linux/commits/Ahmed-Zaki/netfilter-flowtable-tear-down-HW-offloaded-flows-on-FIB-route-changes/20260709-050000
base: https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git main
patch link: https://lore.kernel.org/r/20260708205404.911832-1-anzaki%40gmail.com
patch subject: [PATCH nf] netfilter: flowtable: tear down HW offloaded flows on FIB route changes
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260709/202607091427.MRtlNy5G-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project b3e6e6dabdc02153552a64fc74ff5c7532447eed)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607091427.MRtlNy5G-lkp@intel.com/reproduce)
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/202607091427.MRtlNy5G-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> net/netfilter/nf_flow_table_core.c:833:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
833 | struct fib_entry_notifier_info *fen;
| ^
net/netfilter/nf_flow_table_core.c:843:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
843 | struct fib6_entry_notifier_info *fen6;
| ^
2 warnings generated.
vim +833 net/netfilter/nf_flow_table_core.c
804
805 /* Called with rcu_read_lock() */
806 static int nf_flow_table_fib_event(struct notifier_block *nb,
807 unsigned long event, void *ptr)
808 {
809 struct nf_flowtable *flow_table =
810 container_of(nb, struct nf_flowtable, fib_nb);
811 struct fib_notifier_info *info = ptr;
812 struct nf_flow_fib_event *ev;
813
814 switch (event) {
815 case FIB_EVENT_ENTRY_REPLACE:
816 case FIB_EVENT_ENTRY_APPEND:
817 case FIB_EVENT_ENTRY_DEL:
818 break;
819 default:
820 return NOTIFY_DONE;
821 }
822
823 /* Skip events for an address family this table cannot hold. */
824 if (!nf_flowtable_fib_family_match(flow_table, info->family))
825 return NOTIFY_DONE;
826
827 ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
828 if (!ev)
829 return NOTIFY_DONE;
830
831 switch (info->family) {
832 case NFPROTO_IPV4:
> 833 struct fib_entry_notifier_info *fen;
834
835 fen = container_of(info, struct fib_entry_notifier_info, info);
836 ev->family = NFPROTO_IPV4;
837 ev->addr.ip4 = htonl(fen->dst);
838 ev->prefix_len = fen->dst_len;
839 break;
840
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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