Hi Eric, [auto build test ERROR on net/master]
url: https://github.com/0day-ci/linux/commits/Eric-Dumazet/tcp-dccp-fix-other-lockdep-splats-accessing-ireq_opt/20171024-200038 config: i386-randconfig-x003-201743 (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 error/warnings (new ones prefixed by >>): In file included from include/linux/srcu.h:33:0, from include/linux/notifier.h:15, from include/linux/memory_hotplug.h:6, from include/linux/mmzone.h:779, from include/linux/gfp.h:5, from include/linux/mm.h:9, from net/socket.c:61: include/net/inet_sock.h: In function 'ireq_opt_deref': >> include/net/inet_sock.h:138:29: error: 'ireq' is a pointer; did you mean to >> use '->'? refcount_read(&ireq.req->rsk_refcnt) > 0); ^ -> include/linux/rcupdate.h:292:52: note: in definition of macro 'RCU_LOCKDEP_WARN' if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \ ^ include/linux/rcupdate.h:486:2: note: in expansion of macro '__rcu_dereference_check' __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) ^~~~~~~~~~~~~~~~~~~~~~~ >> include/net/inet_sock.h:137:9: note: in expansion of macro >> 'rcu_dereference_check' return rcu_dereference_check(ireq->ireq_opt, ^~~~~~~~~~~~~~~~~~~~~ vim +138 include/net/inet_sock.h 134 135 static inline struct ip_options_rcu *ireq_opt_deref(const struct inet_request_sock *ireq) 136 { > 137 return rcu_dereference_check(ireq->ireq_opt, > 138 > refcount_read(&ireq.req->rsk_refcnt) > 0); 139 } 140 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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