linux-kernel - [PATCH] x86,boot: standardize strcmp()

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Date:	Mon, 16 Mar 2015 21:07:47 +0530
From:	Arjun Sreedharan <arjun024@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] x86,boot: standardize strcmp()

strcmp() is always expected to return 0 when args are
same, <0 when arg1 is lesser and >0 otherwise.
Previously strcmp("a","b") returned 1. Now it gives -1.

Signed-off-by: Arjun Sreedharan <arjun024@...il.com>
---
 arch/x86/boot/string.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 493f3fd..318b846 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -30,7 +30,7 @@ int strcmp(const char *str1, const char *str2)
 	int delta = 0;
 
 	while (*s1 || *s2) {
-		delta = *s2 - *s1;
+		delta = *s1 - *s2;
 		if (delta)
 			return delta;
 		s1++;
-- 
1.8.1.msysgit.1

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