Sorry for the previous messed up email.
Here's a patch.
-- >8 --
Subject: [PATCH] arm,x86: limit strcmp() rc to {-1,0,1}
Signed-off-by: Arjun Sreedharan <arjun...@gmail.com>
---
arch/arm/boot/compressed/string.c | 2 +-
arch/x86/boot/string.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/compressed/string.c
b/arch/arm/boot/compressed/string.c
index 36e53ef..e48df86 100644
--- a/arch/arm/boot/compressed/string.c
+++ b/arch/arm/boot/compressed/string.c
@@ -88,7 +88,7 @@ int strcmp(const char *cs, const char *ct)
c2 = *ct++;
res = c1 - c2;
if (res)
- break;
+ return res < 0 ? -1 : 1;
} while (c1);
return res;
}
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 318b846..6eb333e 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -32,7 +32,7 @@ int strcmp(const char *str1, const char *str2)
while (*s1 || *s2) {
delta = *s1 - *s2;
if (delta)
- return delta;
+ return delta < 0 ? -1 : 1;
s1++;
s2++;
}
--
--
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