If tty structure has not been initialized, don't dereference it.

diff --git a/sys/arch/hp300/dev/itevar.h b/sys/arch/hp300/dev/itevar.h
index db168bf..7a3c265 100644 (file)
--- a/sys/arch/hp300/dev/itevar.h
+++ b/sys/arch/hp300/dev/itevar.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: itevar.h,v 1.6 1997/02/03 04:47:39 downsj Exp $       */
+/*     $OpenBSD: itevar.h,v 1.7 1997/02/05 14:22:18 downsj Exp $       */
 /*     $NetBSD: itevar.h,v 1.13 1997/01/30 09:18:57 thorpej Exp $      */
 
 /*
@@ -189,7 +189,8 @@ struct ite_softc {
 #define KBD_EXT_RIGHT_UP      0x93
 
 #define        TABSIZE         8
-#define        TABEND(ip)      ((ip)->tty->t_winsize.ws_col - TABSIZE)
+#define        TABEND(ip)      ((ip)->tty ? ((ip)->tty->t_winsize.ws_col - TABSIZE) \
+                           : (80 - TABSIZE))
 
 #ifdef _KERNEL
 extern struct ite_data ite_cn;         /* ite_data for console device */