From 356a293f39e101326b274e968552a7379735e230 Mon Sep 17 00:00:00 2001
From: Ramsay Jones <ramsay@ramsayjones.plus.com>
Date: Thu, 21 Sep 2017 17:48:38 +0100
Subject: [PATCH] cache.h: hex2chr() - avoid -Wsign-compare warnings

Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 cache.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cache.h b/cache.h
index 849bc0dcdd..5cc116ba42 100644
--- a/cache.h
+++ b/cache.h
@@ -1264,8 +1264,8 @@ static inline unsigned int hexval(unsigned char c)
  */
 static inline int hex2chr(const char *s)
 {
-	int val = hexval(s[0]);
-	return (val < 0) ? val : (val << 4) | hexval(s[1]);
+	unsigned int val = hexval(s[0]);
+	return (val & ~0xf) ? val : (val << 4) | hexval(s[1]);
 }
 
 /* Convert to/from hex/sha1 representation */
-- 
2.11.4.GIT