linux-kernel - [patch v2] w1: fix for loop in w1_f29_remove

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Date:	Sat, 30 Jul 2011 11:19:58 +0300
From:	Dan Carpenter <error27@...il.com>
To:	bojan prtvar <prtvar.b@...il.com>
Cc:	Jean-François Dagenais 
	<jeff.dagenais@...il.com>, Evgeniy Polyakov <johnpol@....mipt.ru>,
	Andrew Morton <akpm@...ux-foundation.org>,
	open list <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: [patch v2] w1: fix for loop in w1_f29_remove_slave()

The for loop was looking for i <= 0 instead of i >= 0 so this
function never did anything.  Also we started with i =
NB_SYSFS_BIN_FILES instead of "NB_SYSFS_BIN_FILES - 1" which is an
off by one bug.

Reported-by: Bojan Prtvar <prtvar.b@...il.com>
Signed-off-by: Dan Carpenter <error27@...il.com>
---
v2:  fix >= vs <=

diff --git a/drivers/w1/slaves/w1_ds2408.c b/drivers/w1/slaves/w1_ds2408.c
index c377818..7c8cdb8 100644
--- a/drivers/w1/slaves/w1_ds2408.c
+++ b/drivers/w1/slaves/w1_ds2408.c
@@ -373,7 +373,7 @@ static int w1_f29_add_slave(struct w1_slave *sl)
 static void w1_f29_remove_slave(struct w1_slave *sl)
 {
 	int i;
-	for (i = NB_SYSFS_BIN_FILES; i <= 0; --i)
+	for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
 		sysfs_remove_bin_file(&sl->dev.kobj,
 			&(w1_f29_sysfs_bin_files[i]));
 }
--
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