From d6a2eedfddcded92c8f9b0ac022a99c4134696b0 Mon Sep 17 00:00:00 2001
From: André Goddard Rosa <andre.goddard@gmail.com>
Date: Fri, 5 Mar 2010 13:43:12 -0800
Subject: lib/string.c: simplify strnstr()
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Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Joe Perches <joe@perches.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/string.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/string.c b/lib/string.c
index 0f8624532082..f71bead1be3e 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -689,13 +689,13 @@ EXPORT_SYMBOL(strstr);
  */
 char *strnstr(const char *s1, const char *s2, size_t len)
 {
-	size_t l1 = len, l2;
+	size_t l2;
 
 	l2 = strlen(s2);
 	if (!l2)
 		return (char *)s1;
-	while (l1 >= l2) {
-		l1--;
+	while (len >= l2) {
+		len--;
 		if (!memcmp(s1, s2, l2))
 			return (char *)s1;
 		s1++;
-- 
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