From 0ef795f3a665309974c2a33d866f214a067e1bbf Mon Sep 17 00:00:00 2001
From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Fri, 29 Sep 2023 20:46:20 +0200
Subject: [PATCH] image-android-sparse: handle images with a size that is not a
 multiple of the block-size

Round up instead of down, otherwise an don't care block is appended.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
 image-android-sparse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/image-android-sparse.c b/image-android-sparse.c
index c5dee42..7d4d779 100644
--- a/image-android-sparse.c
+++ b/image-android-sparse.c
@@ -317,7 +317,7 @@ static int android_sparse_generate(struct image *image)
 		ret = flush_header(image, out_fd, &chunk_header, pos);
 		if (ret < 0)
 			return ret;
-		block = extents[extent].end / sparse->block_size;
+		block = (extents[extent].end - 1 + sparse->block_size) / sparse->block_size;
 	}
 
 	if (block < block_count) {