Hi Vadim, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Vadim-Fedorenko/bpf-make-common-crypto-API-for-TC-XDP-programs/20240417-044349 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20240416204004.3942393-2-vadfed%40meta.com patch subject: [PATCH bpf-next v9 1/4] bpf: make common crypto API for TC/XDP programs config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240417/202404171409.EgchVGya-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240417/202404171409.EgchVGya-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404171409.EgchVGya-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> kernel/bpf/crypto.c:53: warning: Function parameter or struct member 'siv_len' not described in 'bpf_crypto_ctx' vim +53 kernel/bpf/crypto.c 37 38 /** 39 * struct bpf_crypto_ctx - refcounted BPF crypto context structure 40 * @type: The pointer to bpf crypto type 41 * @tfm: The pointer to instance of crypto API struct. 42 * @rcu: The RCU head used to free the crypto context with RCU safety. 43 * @usage: Object reference counter. When the refcount goes to 0, the 44 * memory is released back to the BPF allocator, which provides 45 * RCU safety. 46 */ 47 struct bpf_crypto_ctx { 48 const struct bpf_crypto_type *type; 49 void *tfm; 50 u32 siv_len; 51 struct rcu_head rcu; 52 refcount_t usage; > 53 }; 54 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki