===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mg/buffer.c,v
retrieving revision 1.102
retrieving revision 1.103
diff -u -r1.102 -r1.103
--- src/usr.bin/mg/buffer.c	2016/09/07 11:42:01	1.102
+++ src/usr.bin/mg/buffer.c	2017/03/13 20:32:58	1.103
@@ -1,4 +1,4 @@
-/*	$OpenBSD: buffer.c,v 1.102 2016/09/07 11:42:01 lum Exp $	*/
+/*	$OpenBSD: buffer.c,v 1.103 2017/03/13 20:32:58 florian Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -88,6 +88,9 @@
 	else
 		bufp = eread("Switch to buffer: (default %s) ", bufn, NBUFN,
 		    EFNUL | EFNEW | EFBUF, curbp->b_altb->b_bname);
+
+	if (bufp == NULL)
+		return FALSE;
 
 	return (usebufname(bufp));
 }