From fdafb4de5f85bde04e41089378fb1f69f0b87c22 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Sun, 19 Aug 2018 04:26:24 +0100
Subject: [PATCH] oop fix tiff2vips change

y is relative
---
 libvips/foreign/tiff2vips.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libvips/foreign/tiff2vips.c b/libvips/foreign/tiff2vips.c
index 2f0545e9..8804042b 100644
--- a/libvips/foreign/tiff2vips.c
+++ b/libvips/foreign/tiff2vips.c
@@ -1942,7 +1942,7 @@ rtiff_stripwise_generate( VipsRegion *or,
 
 	/* Shut down the input file as soon as we can. 
 	 */
-	if( y >= or->im->Ysize )
+	if( r->top + y >= or->im->Ysize ) 
 		rtiff_free( rtiff );
 
 	VIPS_GATE_STOP( "rtiff_stripwise_generate: work" );