From: Axel Lin <axel.lin@ingics.com>
To: lm-sensors@vger.kernel.org
Subject: [lm-sensors] [PATCH] hwmon: (ads1015) Fix off-by-one for valid channel index checking
Date: Wed, 30 Jul 2014 03:13:52 +0000 [thread overview]
Message-ID: <1406690032.6636.1.camel@phoenix> (raw)
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>
---
drivers/hwmon/ads1015.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index 7f9dc2f..22e0c92 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -198,7 +198,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
}
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);
--
1.9.1
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next reply other threads:[~2014-07-30 3:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-30 3:13 Axel Lin [this message]
2014-07-30 3:28 ` [lm-sensors] [PATCH] hwmon: (ads1015) Fix off-by-one for valid channel index checking Guenter Roeck
2014-07-30 4:30 ` Axel Lin
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