blob: 64e074a2c225971129d97f783c7c1e4f7817b694 [file] [log] [blame]
From 56de1377ad92f72ee4e5cb0faf7a9b6048fdf0bf Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Wed, 30 Jul 2014 11:13:52 +0800
Subject: hwmon: (ads1015) Fix off-by-one for valid channel index checking
From: Axel Lin <axel.lin@ingics.com>
commit 56de1377ad92f72ee4e5cb0faf7a9b6048fdf0bf upstream.
Current code uses channel as array index, so the valid channel value is
0 .. ADS1015_CHANNELS - 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/hwmon/ads1015.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -198,7 +198,7 @@ static int ads1015_get_channels_config_o
}
channel = be32_to_cpup(property);
- if (channel > ADS1015_CHANNELS) {
+ if (channel >= ADS1015_CHANNELS) {
dev_err(&client->dev,
"invalid channel index %d on %s\n",
channel, node->full_name);