3.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <[email protected]>

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 <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/hwmon/ads1015.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -212,6 +212,7 @@ static int ads1015_get_channels_config_o
                                dev_err(&client->dev,
                                        "invalid gain on %s\n",
                                        node->full_name);
+                               return -EINVAL;
                        }
                }
 
@@ -222,6 +223,7 @@ static int ads1015_get_channels_config_o
                                dev_err(&client->dev,
                                        "invalid data_rate on %s\n",
                                        node->full_name);
+                               return -EINVAL;
                        }
                }
 


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