Patch "hwmon: (ads1015) Handle negative conversion values correctly" has been added to the 4.4-stable tree

Patch "hwmon: (ads1015) Handle negative conversion values correctly" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    hwmon: (ads1015) Handle negative conversion values correctly

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hwmon-ads1015-handle-negative-conversion-values-correctly.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From acc146943957d7418a6846f06e029b2c5e87e0d5 Mon Sep 17 00:00:00 2001
From: Peter Rosin <peda@axentia.se>
Date: Thu, 18 Feb 2016 14:07:52 +0100
Subject: hwmon: (ads1015) Handle negative conversion values correctly

From: Peter Rosin <peda@axentia.se>

commit acc146943957d7418a6846f06e029b2c5e87e0d5 upstream.

Make the divisor signed as DIV_ROUND_CLOSEST is undefined for negative
dividends when the divisor is unsigned.

Signed-off-by: Peter Rosin <peda@axentia.se>
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
@@ -126,7 +126,7 @@ static int ads1015_reg_to_mv(struct i2c_
 	struct ads1015_data *data = i2c_get_clientdata(client);
 	unsigned int pga = data->channel_data[channel].pga;
 	int fullscale = fullscale_table[pga];
-	const unsigned mask = data->id == ads1115 ? 0x7fff : 0x7ff0;
+	const int mask = data->id == ads1115 ? 0x7fff : 0x7ff0;
 
 	return DIV_ROUND_CLOSEST(reg * fullscale, mask);
 }


Patches currently in stable-queue which might be from peda@axentia.se are

queue-4.4/hwmon-ads1015-handle-negative-conversion-values-correctly.patch