linux-kernel - [PATCH 1/2] bsearch: avoid unneeded decrement arithmetic

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Message-Id: <bc287f9f2e75ef5e82f93b4cd5c4ab0eff0bc920.1257776095.git.andre.goddard@gmail.com>
Date:	Mon,  9 Nov 2009 12:26:45 -0200
From:	André Goddard Rosa <andre.goddard@...il.com>
To:	tabbott@...lice.com, alan-jenkins@...fmail.co.uk,
	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org
Cc:	André Goddard Rosa <andre.goddard@...il.com>
Subject: [PATCH 1/2] bsearch: avoid unneeded decrement arithmetic

Signed-off-by: André Goddard Rosa <andre.goddard@...il.com>
---
 lib/bsearch.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/bsearch.c b/lib/bsearch.c
index 2e70664..f71ac89 100644
--- a/lib/bsearch.c
+++ b/lib/bsearch.c
@@ -33,9 +33,9 @@
 void *bsearch(const void *key, const void *base, size_t num, size_t size,
 	      int (*cmp)(const void *key, const void *elt))
 {
-	int start = 0, end = num - 1, mid, result;
+	int start = 0, end = num, mid, result;
 
-	while (start <= end) {
+	while (start < end) {
 		mid = (start + end) / 2;
 		result = cmp(key, base + mid * size);
 		if (result < 0)
-- 
1.6.5.2.153.g6e31f.dirty

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