From 3a20a05a49bdf7cfd7d2131c6f31a2ebf76ad4e5 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Sat, 10 Oct 2009 10:36:46 +0000
Subject: [PATCH] There is no point setting the scroll region up for line feeds
 unless scrolling is actually going to happen, so don't.

---
 tty.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/tty.c b/tty.c
index c61fd6b0..7b0454f7 100644
--- a/tty.c
+++ b/tty.c
@@ -693,11 +693,10 @@ tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_reset(tty);
-
- 	tty_region(tty, ctx->orupper, ctx->orlower, wp->yoff);
 
 	if (ctx->ocy == ctx->orlower) {
+		tty_reset(tty);
+		tty_region(tty, ctx->orupper, ctx->orlower, wp->yoff);
 		tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
 		tty_putc(tty, '\n');
 	}