From e371dee4a3278c6912ac5b1548042ae1d894bf6f Mon Sep 17 00:00:00 2001
From: Amaury Pouly <amaury.pouly@gmail.com>
Date: Sun, 11 Oct 2020 13:07:04 +0200
Subject: nwztool: fix computation

It turns out the calculation gives the right result for the wrong reason, this
fixes it.

Change-Id: I36053c8993b5ae1e85380da59546ffade265fb3f
---
 utils/nwztools/upgtools/upg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'utils')

diff --git a/utils/nwztools/upgtools/upg.c b/utils/nwztools/upgtools/upg.c
index 88eca59335..3270ced39b 100644
--- a/utils/nwztools/upgtools/upg.c
+++ b/utils/nwztools/upgtools/upg.c
@@ -165,7 +165,7 @@ struct upg_file_t *upg_read_memory(void *buf, size_t size, const char *key,
 
     /* check MD5 */
     uint8_t actual_md5[NWZ_MD5_SIZE];
-    MD5_CalculateDigest(actual_md5, (md5 + 1), size - sizeof(struct upg_header_t));
+    MD5_CalculateDigest(actual_md5, (md5 + 1), size - NWZ_MD5_SIZE);
     if(memcmp(actual_md5, md5->md5, NWZ_MD5_SIZE) != 0)
     {
         cprintf(RED, "Mismatch\n");
-- 
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