Hi Florian, [auto build test WARNING on next-20161028] url: https://github.com/0day-ci/linux/commits/Florian-Westphal/nft_meta-add-skb-hash-get-support/20161031-204758 config: i386-randconfig-x078-201644 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): net/netfilter/nft_meta.c: In function 'nft_meta_get_eval': >> net/netfilter/nft_meta.c:197:36: warning: passing argument 1 of '__skb_get_hash_symmetric' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] *dest = __skb_get_hash_symmetric(skb); ^~~ In file included from include/linux/netlink.h:6:0, from net/netfilter/nft_meta.c:14: include/linux/skbuff.h:1090:5: note: expected 'struct sk_buff *' but argument is of type 'const struct sk_buff *' u32 __skb_get_hash_symmetric(struct sk_buff *skb); ^~~~~~~~~~~~~~~~~~~~~~~~ vim +197 net/netfilter/nft_meta.c 181 case NFT_META_CGROUP: 182 sk = skb_to_full_sk(skb); 183 if (!sk || !sk_fullsock(sk)) 184 goto err; 185 *dest = sock_cgroup_classid(&sk->sk_cgrp_data); 186 break; 187 #endif 188 case NFT_META_PRANDOM: { 189 struct rnd_state *state = this_cpu_ptr(&nft_prandom_state); 190 *dest = prandom_u32_state(state); 191 break; 192 } 193 case NFT_META_HASH: 194 *dest = skb_get_hash(pkt->skb); 195 break; 196 case NFT_META_SYMHASH: > 197 *dest = __skb_get_hash_symmetric(skb); 198 break; 199 default: 200 WARN_ON(1); 201 goto err; 202 } 203 return; 204 205 err: --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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