From 6fb0022b48c6f646f5bd5178152efe7e2398dd41 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Thu, 22 Jun 2017 13:04:16 +0200
Subject: [PATCH] dmg: use DIV_ROUND_UP
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I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
---
 block/dmg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/dmg.c b/block/dmg.c
index 900ae5a678..6c0711f563 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -111,7 +111,7 @@ static void update_max_chunk_size(BDRVDMGState *s, uint32_t chunk,
         uncompressed_sectors = s->sectorcounts[chunk];
         break;
     case 1: /* copy */
-        uncompressed_sectors = (s->lengths[chunk] + 511) / 512;
+        uncompressed_sectors = DIV_ROUND_UP(s->lengths[chunk], 512);
         break;
     case 2: /* zero */
         /* as the all-zeroes block may be large, it is treated specially: the
-- 
2.11.0