lib: Free thread_master pointer after free

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/lib/libfrr.c b/lib/libfrr.c
index 3e2e0082234b395d8e860bf6175822f46cb8b275..d5078f98aa2877f2b114abb5c89720dd381b4439 100644 (file)
--- a/lib/libfrr.c
+++ b/lib/libfrr.c
@@ -886,6 +886,7 @@ void frr_fini(void)
        zprivs_terminate(di->privs);
        /* signal_init -> nothing needed */
        thread_master_free(master);
+       master = NULL;
        closezlog();
        /* frrmod_init -> nothing needed / hooks */