1048 	const struct tcp_md5sig_info *md5sig;  in __tcp_md5_do_lookup()  local
1054 	md5sig = rcu_dereference_check(tp->md5sig_info,  in __tcp_md5_do_lookup()
1056 	if (!md5sig)  in __tcp_md5_do_lookup()
1059 	hlist_for_each_entry_rcu(key, &md5sig->head, node,  in __tcp_md5_do_lookup()
1093 	const struct tcp_md5sig_info *md5sig;  in tcp_md5_do_lookup_exact()  local
1096 	md5sig = rcu_dereference_check(tp->md5sig_info,  in tcp_md5_do_lookup_exact()
1098 	if (!md5sig)  in tcp_md5_do_lookup_exact()
1104 	hlist_for_each_entry_rcu(key, &md5sig->head, node,  in tcp_md5_do_lookup_exact()
1138 	struct tcp_md5sig_info *md5sig;  in tcp_md5_do_add()  local
1160 	md5sig = rcu_dereference_protected(tp->md5sig_info,  in tcp_md5_do_add()
1162 	if (!md5sig) {  in tcp_md5_do_add()
1163 		md5sig = kmalloc(sizeof(*md5sig), gfp);  in tcp_md5_do_add()
1164 		if (!md5sig)  in tcp_md5_do_add()
1168 		INIT_HLIST_HEAD(&md5sig->head);  in tcp_md5_do_add()
1169 		rcu_assign_pointer(tp->md5sig_info, md5sig);  in tcp_md5_do_add()
1188 	hlist_add_head_rcu(&key->node, &md5sig->head);  in tcp_md5_do_add()
1213 	struct tcp_md5sig_info *md5sig;  in tcp_clear_md5_list()  local
1215 	md5sig = rcu_dereference_protected(tp->md5sig_info, 1);  in tcp_clear_md5_list()
1217 	hlist_for_each_entry_safe(key, n, &md5sig->head, node) {  in tcp_clear_md5_list()