Hi Ivan, [auto build test WARNING on net/master] [also build test WARNING on v4.12-rc4 next-20170609] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Ivan-Delalande/tcp-md5-add-an-address-prefix-for-key-lookup/20170611-184237 config: x86_64-randconfig-s2-06120830 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): net//ipv4/tcp_ipv4.c: In function 'tcp_md5_do_lookup': >> net//ipv4/tcp_ipv4.c:908: warning: unused variable 'size' vim +/size +908 net//ipv4/tcp_ipv4.c ^1da177e4 Linus Torvalds 2005-04-16 892 } ^1da177e4 Linus Torvalds 2005-04-16 893 cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 894 #ifdef CONFIG_TCP_MD5SIG cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 895 /* cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 896 * RFC2385 MD5 checksumming requires a mapping of cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 897 * IP address->MD5 Key. cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 898 * We need to maintain these in the sk structure. cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 899 */ cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 900 cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 901 /* Find the Key structure for an address. */ b83e3deb9 Eric Dumazet 2015-09-25 902 struct tcp_md5sig_key *tcp_md5_do_lookup(const struct sock *sk, a915da9b6 Eric Dumazet 2012-01-31 903 const union tcp_md5_addr *addr, a915da9b6 Eric Dumazet 2012-01-31 904 int family) cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 905 { fd3a154a0 Eric Dumazet 2015-03-24 906 const struct tcp_sock *tp = tcp_sk(sk); a915da9b6 Eric Dumazet 2012-01-31 907 struct tcp_md5sig_key *key; a915da9b6 Eric Dumazet 2012-01-31 @908 unsigned int size = sizeof(struct in_addr); fd3a154a0 Eric Dumazet 2015-03-24 909 const struct tcp_md5sig_info *md5sig; 4b9e1d2ec Ivan Delalande 2017-06-09 910 __be32 mask; 4b9e1d2ec Ivan Delalande 2017-06-09 911 struct tcp_md5sig_key *best_match = NULL; 4b9e1d2ec Ivan Delalande 2017-06-09 912 bool match; cfb6eeb4c YOSHIFUJI Hideaki 2006-11-14 913 a8afca032 Eric Dumazet 2012-01-31 914 /* caller either holds rcu_read_lock() or socket lock */ a8afca032 Eric Dumazet 2012-01-31 915 md5sig = rcu_dereference_check(tp->md5sig_info, 1e1d04e67 Hannes Frederic Sowa 2016-04-05 916 lockdep_sock_is_held(sk)); :::::: The code at line 908 was first introduced by commit :::::: a915da9b69273815527ccb3789421cb7027b545b tcp: md5: rcu conversion :::::: TO: Eric Dumazet <eric.duma...@gmail.com> :::::: CC: David S. Miller <da...@davemloft.net> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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