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Date:	Mon, 15 Sep 2014 15:09:34 -0700
From:	Kamal Mostafa <>
Cc:	Axel Lin <>, Guenter Roeck <>,
	Kamal Mostafa <>
Subject: [PATCH 3.13 164/187] hwmon: (ads1015) Fix out-of-bounds array access -stable review patch.  If anyone has any objections, please let me know.


From: Axel Lin <>

commit e981429557cbe10c780fab1c1a237cb832757652 upstream.

Current code uses data_rate as array index in ads1015_read_adc() and uses pga
as array index in ads1015_reg_to_mv, so we must make sure both data_rate and
pga settings are in valid value range.
Return -EINVAL if the setting is out-of-range.

Signed-off-by: Axel Lin <>
Signed-off-by: Guenter Roeck <>
Signed-off-by: Kamal Mostafa <>
 drivers/hwmon/ads1015.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index 22e0c92..1265164 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -212,6 +212,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
 					"invalid gain on %s\n",
+				return -EINVAL;
@@ -222,6 +223,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
 					"invalid data_rate on %s\n",
+				return -EINVAL;

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