Fix some InnoDB memory leaks.

dict_init_free(): Make global, and move the call from
dict_close() to srv_free(), because this is initialized
earlier than dict_sys.

innobase_space_shutdown(): Do not leak srv_allow_writes_event.

storage/innobase/dict/dict0dict.cc

@@ -2,7 +2,7 @@
 
 Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
-Copyright (c) 2013, 2016, MariaDB Corporation.
+Copyright (c) 2013, 2017, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -6342,11 +6342,9 @@ dict_set_merge_threshold_all_debug(
 
 #endif /* UNIV_DEBUG */
 
-/**********************************************************************//**
-Inits dict_ind_redundant. */
+/** Initialize dict_ind_redundant. */
 void
-dict_ind_init(void)
-/*===============*/
+dict_ind_init()
 {
 	dict_table_t*		table;
 
@@ -6364,16 +6362,11 @@ dict_ind_init(void)
 	dict_ind_redundant->cached = TRUE;
 }
 
-/**********************************************************************//**
-Frees dict_ind_redundant. */
-static
+/** Free dict_ind_redundant. */
 void
-dict_ind_free(void)
-/*===============*/
+dict_ind_free()
 {
-	dict_table_t*	table;
-
-	table = dict_ind_redundant->table;
+	dict_table_t*	table = dict_ind_redundant->table;
 	dict_mem_index_free(dict_ind_redundant);
 	dict_ind_redundant = NULL;
 	dict_mem_table_free(table);
@@ -6896,8 +6889,6 @@ dict_close(void)
 	therefore we don't delete the individual elements. */
 	hash_table_free(dict_sys->table_id_hash);
 
-	dict_ind_free();
-
 	mutex_free(&dict_sys->mutex);
 
 	rw_lock_free(dict_operation_lock);

storage/innobase/handler/ha_innodb.cc

@@ -3695,6 +3695,13 @@ innobase_space_shutdown()
 	}
 	srv_tmp_space.shutdown();
 
+#ifdef WITH_INNODB_DISALLOW_WRITES
+	if (srv_allow_writes_event) {
+		os_event_destroy(srv_allow_writes_event);
+		srv_allow_writes_event = NULL;
+	}
+#endif /* WITH_INNODB_DISALLOW_WRITES */
+
 	DBUG_VOID_RETURN;
 }
 

storage/innobase/include/dict0dict.h

@@ -2,7 +2,7 @@
 
 Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
-Copyright (c) 2013, 2016, MariaDB Corporation.
+Copyright (c) 2013, 2017, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1763,11 +1763,13 @@ struct dict_sys_t{
 /** dummy index for ROW_FORMAT=REDUNDANT supremum and infimum records */
 extern dict_index_t*	dict_ind_redundant;
 
-/**********************************************************************//**
-Inits dict_ind_redundant. */
+/** Initialize dict_ind_redundant. */
 void
-dict_ind_init(void);
-/*===============*/
+dict_ind_init();
+
+/** Free dict_ind_redundant. */
+void
+dict_ind_free();
 
 /* Auxiliary structs for checking a table definition @{ */
 

storage/innobase/srv/srv0srv.cc

@@ -1152,6 +1152,8 @@ srv_free(void)
 	srv_master_thread_disabled_event = NULL;
 #endif /* UNIV_DEBUG */
 
+	dict_ind_free();
+
 	trx_i_s_cache_free(trx_i_s_cache);
 
 	ut_free(srv_sys);