Hi Paul, Thank you for the patch! Yet something to improve: [auto build test ERROR on net/master] url: https://github.com/0day-ci/linux/commits/Paul-Blakey/skbuff-Release-nfct-refcount-on-napi-stolen-or-re-used-skbs/20210525-171507 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 8c42a49738f16af0061f9ae5c2f5a955f268d9e3 config: i386-randconfig-r005-20210525 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/d4340b4d15d7b5f156b533d1ab0b3ae75ed479d3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Paul-Blakey/skbuff-Release-nfct-refcount-on-napi-stolen-or-re-used-skbs/20210525-171507 git checkout d4340b4d15d7b5f156b533d1ab0b3ae75ed479d3 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): net/core/skbuff.c: In function 'napi_skb_free_stolen_head': >> net/core/skbuff.c:942:2: error: implicit declaration of function 'nf_conntrack_put' [-Werror=implicit-function-declaration] 942 | nf_conntrack_put(skb_nfct(skb)); | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/nf_conntrack_put +942 net/core/skbuff.c 939 940 void napi_skb_free_stolen_head(struct sk_buff *skb) 941 { > 942 nf_conntrack_put(skb_nfct(skb)); 943 skb_dst_drop(skb); 944 skb_ext_put(skb); 945 napi_skb_cache_put(skb); 946 } 947 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org