svn commit: r333683 - head/sys/teken

[Conrad Meyer]

Author: cem
Date: Wed May 16 18:12:49 2018
New Revision: 333683
URL: https://svnweb.freebsd.org/changeset/base/333683

Log:
  teken: Unbreak syscons' use of teken
  
  Only vt(4) initializes these callbacks non-NULL at this time, so invoke the
  function pointers conditionally.
  
  Broken in r333669.
  
  Submitted by:	bde@

Modified:
  head/sys/teken/teken.c

Modified: head/sys/teken/teken.c
==============================================================================
--- head/sys/teken/teken.c	Wed May 16 17:55:16 2018	(r333682)
+++ head/sys/teken/teken.c	Wed May 16 18:12:49 2018	(r333683)
@@ -136,16 +136,16 @@ static inline void
 teken_funcs_pre_input(const teken_t *t)
 {
 
-	teken_assert(t->t_funcs->tf_pre_input != NULL);
-	t->t_funcs->tf_pre_input(t->t_softc);
+	if (t->t_funcs->tf_pre_input != NULL)
+		t->t_funcs->tf_pre_input(t->t_softc);
 }
 
 static inline void
 teken_funcs_post_input(const teken_t *t)
 {
 
-	teken_assert(t->t_funcs->tf_post_input != NULL);
-	t->t_funcs->tf_post_input(t->t_softc);
+	if (t->t_funcs->tf_post_input != NULL)
+		t->t_funcs->tf_post_input(t->t_softc);
 }
 
 static inline void