ofctrl: Free contents of symbol table in ofctrl_destroy().

This fixes a memory leak, although it was not a significant leak because
the symbol table is in use until shortly before ovn-controller exits.

Reported-by: William Tu <u9012063@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>

diff --git a/ovn/controller/ofctrl.c b/ovn/controller/ofctrl.c
index 3876ff67e341c5fbf85cdf4a7ff6d5491ca37df6..10c8105b25290e999b415a38b6a84dc6e0c88a12 100644 (file)
--- a/ovn/controller/ofctrl.c
+++ b/ovn/controller/ofctrl.c
@@ -549,6 +549,7 @@ ofctrl_destroy(void)
     rconn_destroy(swconn);
     ovn_flow_table_destroy(&installed_flows);
     rconn_packet_counter_destroy(tx_counter);
+    expr_symtab_destroy(&symtab);
     shash_destroy(&symtab);
 }