From 11fba5772434ccc30f1e3a73bfd7074ef110cf41 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 25 Sep 2018 11:19:57 +0200
Subject: [settings] Fix md5 buffer size handling

Return value is treated like snprintf, so returing ENOSPC doesn't make
any sense.
---
 src/core/settings.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/settings.c b/src/core/settings.c
index df4fe9fcd..bfe618d91 100644
--- a/src/core/settings.c
+++ b/src/core/settings.c
@@ -2165,8 +2165,8 @@ static int format_md5_setting ( const struct setting_type *type __unused,
 	struct md5_context ctx;
 	uint8_t digest[MD5_DIGEST_SIZE];
 
-	if ( len < MD5_DIGEST_SIZE )
-		return -ENOSPC;
+	if ( len < MD5_DIGEST_SIZE * 2 )
+		return MD5_DIGEST_SIZE * 2;
 	digest_init ( &md5_algorithm, &ctx );
 	digest_update ( &md5_algorithm, &ctx, raw, raw_len );
 	digest_final ( &md5_algorithm, &ctx, digest );
-- 
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