em-format: Guard entry point to em_format_set_mode with g_return_if_fail

2010-08-02 15:05:32 +01:00
parent 74a6864d36
commit 2b6e5cce19
1 changed files with 2 additions and 0 deletions
--- a/em-format/em-format.c
+++ b/em-format/em-format.c
@ -859,6 +859,8 @@ em_format_redraw (EMFormat *emf)
 void
 em_format_set_mode(EMFormat *emf, em_format_mode_t type)
 {
+	g_return_if_fail (EM_IS_FORMAT (emf));
+
 	if (emf->mode == type)
 		return;