tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 748957057cef2d3b3e35d749c9a1ade66e2b5e73 commit: 83abe3a3b85762720192809ac8695ff9255cfd23 [1753/1753] netfilter: nat: remove csum_recalc hook config: x86_64-buildonly-randconfig-2002-20250806 (https://download.01.org/0day-ci/archive/20250809/202508091141.LQ39llkM-lkp@i...) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250809/202508091141.LQ39llkM-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/202508091141.LQ39llkM-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

net/netfilter/nf_nat_proto.c:56:6: warning: no previous prototype for 'nf_nat_csum_recalc' [-Wmissing-prototypes] 56 | void nf_nat_csum_recalc(struct sk_buff *skb, | ^~~~~~~~~~~~~~~~~~

vim +/nf_nat_csum_recalc +56 net/netfilter/nf_nat_proto.c 55

56 void nf_nat_csum_recalc(struct sk_buff *skb,

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