gtpu: fix memory leak

Type: fix

Free the old rewrite string before assigning a new rewrite string for the updated new tteid value.

Signed-off-by: Leung Lai Yung <benkerbuild@gmail.com>
Change-Id: I1ec19bce6afda3dfdc31c8724b32ac7b9bc84e89

diff --git a/src/plugins/gtpu/gtpu.c b/src/plugins/gtpu/gtpu.c
index 33af26d..086a4b5 100644 (file)
--- a/src/plugins/gtpu/gtpu.c
+++ b/src/plugins/gtpu/gtpu.c
@@ -578,6 +578,7 @@ int vnet_gtpu_add_mod_del_tunnel
          if (a->tteid == 0)
            return VNET_API_ERROR_INVALID_VALUE;
          t->tteid = a->tteid;
+         vec_free (t->rewrite);
          ip_udp_gtpu_rewrite (t, is_ip6);
          return 0;
        }